{"id":1648,"date":"2018-11-25T08:51:45","date_gmt":"2018-11-25T06:51:45","guid":{"rendered":"https:\/\/wissen.science-and-fun.de\/chemistry\/?page_id=1648"},"modified":"2026-02-05T16:12:30","modified_gmt":"2026-02-05T14:12:30","slug":"welcome","status":"publish","type":"page","link":"https:\/\/wissen.science-and-fun.de\/chemistry\/","title":{"rendered":"Welcome"},"content":{"rendered":"\r\n<p class=\"wp-block-paragraph\">Hi, welcome at my english site. Here you can find some translations from my german pages. I hope this are useful for you.<br \/>The calendar is new and not yet finished!<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Be fair, and cite my site as: St. Thomas; https:\/\/wissen.science-and-fun.de!<\/strong><\/p>\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n<div class=\"simcal-calendar simcal-default-calendar simcal-default-calendar-grid simcal-default-calendar-light\" data-calendar-id=\"1643\" data-timezone=\"Europe\/Helsinki\" data-offset=\"10800\" data-week-start=\"1\" data-calendar-start=\"1792443600\" data-calendar-end=\"1823979541\" data-events-first=\"1789938059\" data-events-last=\"1823979541\">\n\t\t\t\n            <table class=\"simcal-calendar-grid\"\n                   data-event-bubble-trigger=\"hover\">\n                <thead class=\"simcal-calendar-head\">\n                <tr>\n\t\t\t\t\t                        <td class=\"simcal-nav simcal-prev-wrapper\" colspan=\"1\">\n                            <button class=\"simcal-nav-button simcal-month-nav simcal-prev\" title=\"Previous Month\" aria-label=\"Previous Month\"><i class=\"simcal-icon-left\" aria-hidden=\"true\"><\/i><\/button>\n                        <\/td>\n\t\t\t\t\t                    <td colspan=\"5\"\n                        class=\"simcal-nav simcal-current\"\n                        aria-live=\"polite\"\n                        aria-atomic=\"true\"\n                        data-calendar-current=\"1792443600\">\n\t\t\t\t\t\t<h3> <span class=\"simcal-current-month\">October<\/span>  <span class=\"simcal-current-year\">2026<\/span> <\/h3>                    <\/td>\n\t\t\t\t\t                        <td class=\"simcal-nav simcal-next-wrapper\" colspan=\"1\">\n                            <button class=\"simcal-nav-button simcal-month-nav simcal-next\" title=\"Next Month\" aria-label=\"Next Month\"><i class=\"simcal-icon-right\" aria-hidden=\"true\"><\/i><\/button>\n                        <\/td>\n\t\t\t\t\t                <\/tr>\n                <tr>\n\t\t\t\t\t                        <th class=\"simcal-week-day simcal-week-day-1\"\n                            data-screen-small=\"M\"\n                            data-screen-medium=\"Mon\"\n                            data-screen-large=\"Monday\">Mon<\/th>\n\t\t\t\t\t\t                        <th class=\"simcal-week-day simcal-week-day-2\"\n                            data-screen-small=\"T\"\n                            data-screen-medium=\"Tue\"\n                            data-screen-large=\"Tuesday\">Tue<\/th>\n\t\t\t\t\t\t                        <th class=\"simcal-week-day simcal-week-day-3\"\n                            data-screen-small=\"W\"\n                            data-screen-medium=\"Wed\"\n                            data-screen-large=\"Wednesday\">Wed<\/th>\n\t\t\t\t\t\t                        <th class=\"simcal-week-day simcal-week-day-4\"\n                            data-screen-small=\"T\"\n                            data-screen-medium=\"Thu\"\n                            data-screen-large=\"Thursday\">Thu<\/th>\n\t\t\t\t\t\t                        <th class=\"simcal-week-day simcal-week-day-5\"\n                            data-screen-small=\"F\"\n                            data-screen-medium=\"Fri\"\n                            data-screen-large=\"Friday\">Fri<\/th>\n\t\t\t\t\t\t                        <th class=\"simcal-week-day simcal-week-day-6\"\n                            data-screen-small=\"S\"\n                            data-screen-medium=\"Sat\"\n                            data-screen-large=\"Saturday\">Sat<\/th>\n\t\t\t\t\t\t                            <th class=\"simcal-week-day simcal-week-day-0\"\n                                data-screen-small=\"S\"\n                                data-screen-medium=\"Sun\"\n                                data-screen-large=\"Sunday\">Sun<\/th>\n\t\t\t\t\t\t\t                <\/tr>\n                <\/thead>\n\n\t\t\t\t<tbody class=\"simcal-month simcal-month-10\">\n\t<tr class=\"simcal-week simcal-week-40\"><td class=\"simcal-day simcal-day-void \"><\/td>\n<td class=\"simcal-day simcal-day-void \"><\/td>\n<td class=\"simcal-day simcal-day-void simcal-day-void-last\"><\/td>\n<td class=\"simcal-day-1 simcal-weekday-4 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">1<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 1<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 1<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1790802059\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-01T00:00:59+03:00\">1. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-01T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 1\" \/><meta itemprop=\"address\" content=\"October 1\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1671: Guido Grandi, Italian mathematician<br \/>\n1723: Georg Rudolf B\u00f6hmer, German physician and botanist<br \/>\n1780: G\u00f6ran Wahlenberg, Swedish botanist<br \/>\n1820: Ludwig Meyn, German geologist and scientist<br \/>\n1841: Hermann Credner, German geoscientist<br \/>\n1843: Karl Nikolai Jensen B\u00f6rgen, German astronomer<br \/>\n1862: Marie Henri Andoyer, French astronomer and mathematician<br \/>\n1904: Otto Frisch, Austrian-British physicist<br \/>\n1912: Kathleen Ollerenshaw, British mathematician<br \/>\n1947: Aaron Ciechanover, Israeli biochemist and Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1659: Nikolaus Pompeius, German philologist and mathematician<br \/>\n1921: Julius von Hann, Austrian physicist and meteorologist, founder of modern meteorology<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=M3NqZ3V2dGVxdXRob3V0amZzbjZoOGhmbnBfMjAyNjEwMDEgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-2 simcal-weekday-5 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">2<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 2<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 2<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1790888459\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-02T00:00:59+03:00\">2. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-02T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 2\" \/><meta itemprop=\"address\" content=\"October 2\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1608: In the Republic of the Seven United Netherlands, eyewear maker Hans Lipperhey presents the first telescope to the Zeeland Council.<\/p>\n<p>Born in<br \/>\n1727: Ignaz Schifferm\u00fcller, Austrian zoologist<br \/>\n1852: William Ramsay, British chemist and Nobel laureate from Scotland, discoverer of noble gases<br \/>\n1861: Friedrich Simon Archenhold, German astronomer<br \/>\n1907: Alexander Todd, British chemist, Nobel Prize winner<br \/>\n1917: Christian de Duve, Belgian biochemist and Nobel Prize winner<br \/>\n1919: Hans G\u00fcnther Aach, German botanist<br \/>\n1936: Lutz Z\u00fclicke, German chemist<\/p>\n<p>Deceased<br \/>\n1616: Ernst Hettenbach, German physicist and physician<br \/>\n1853: Fran\u00e7ois Arago, French astronomer, physicist and politician<br \/>\n1927: Svante Arrhenius, Swedish physical chemist, Nobel Prize winner in chemistry<br \/>\n1951: Hermann Pistor, German mathematician, physicist, and optician, co-founder of modern ophthalmic optics.<br \/>\n1987: Peter Brian Medawar, British biologist, zoologist and anatomist, Nobel prize winner<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=MThjMDM1ZWVmNjRmNDQyazU5b2thdmI0a3JfMjAyNjEwMDIgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-3 simcal-weekday-6 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">3<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 3<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 3<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1790974859\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-03T00:00:59+03:00\">3. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-03T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 3\" \/><meta itemprop=\"address\" content=\"October 3\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1584: Michael Wolf, German mathematician, physicist, logician and metaphysicist<br \/>\n1854: Hermann von Struve, German-Baltic astronomer and mathematician<br \/>\n1904: Charles Pedersen, American chemist, Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1919: Pieter van Geer, Dutch mathematician<br \/>\n1932: Max Wolf, German astronomer, discoverer of many asteroids, pioneer of galactic astrophotography<br \/>\n1937: Richard Hertwig, German zoologist<br \/>\n1966: Rolf Sievert, Swedish physicist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NHB1cnM3Y3JxcmMwMWFyaWF1bGplbHNkNnZfMjAyNjEwMDMgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-4 simcal-weekday-0 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">4<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 4<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 4<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791061259\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-04T00:00:59+03:00\">4. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-04T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 4\" \/><meta itemprop=\"address\" content=\"October 4\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1957: The Soviet Union launches Sputnik 1, the first artificial satellite in the Sputnik programme, into orbit.<br \/>\n2004: Start of the private space flight era: SpaceShipOne wins the Ansari X-Prize by the second flight over 100 km altitude within two weeks.<\/p>\n<p>Born in<br \/>\n1833: John Anderson, Scottish zoologist<br \/>\n1896: Edgar W. A. Maass, German chemist and writer<br \/>\n1903: John Atanasoff, US-American physicist<br \/>\n1905: Wolfgang Franz, German mathematician<br \/>\n1910: Rudolf Grewe, German chemist<br \/>\n1916: Witali Ginsburg, Russian physicist and Nobel Prize winner<br \/>\n1918: Fukui Kenichi, Japanese chemist; Nobel Prize winner in chemistry<br \/>\n1938: Kurt W\u00fcthrich, Swiss chemist and Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1947: Max Planck, German theoretical physicist and Nobel Prize winner, is considered the founder of quantum physics.<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NWJpM2Z2MWtya2FtMW81cW1xMnFsNG5namlfMjAyNjEwMDQgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<\/tr><tr class=\"simcal-week simcal-week-40\">\n<td class=\"simcal-day-5 simcal-weekday-1 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">5<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 5<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 5<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791147659\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-05T00:00:59+03:00\">5. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-05T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 5\" \/><meta itemprop=\"address\" content=\"October 5\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1665: The Christian Albrecht University in Kiel, built at the instigation of Duke Christian Albrecht von Gottorf, is inaugurated.<br \/>\n2005: Yves Chauvin, Robert Grubbs and Richard R. Schrock are awarded the Nobel Prize for Chemistry.<\/p>\n<p>Born in<br \/>\n1644: Ole R\u00f8mer, Danish astronomer<br \/>\n1693: Johann Christian Buxbaum, German botanist<br \/>\n1781: Bernard Bolzano, Bohemian theologian, mathematician and philosopher<br \/>\n1834: Hermann Wildpret, Swiss gardener and botanist<br \/>\n1864: Louis Jean Lumi\u00e8re, French chemist and entrepreneur<br \/>\n1882: Giorgio Abetti, Italian astronomer<br \/>\n1889: Dirk Coster, Dutch physicist<\/p>\n<p>Deceased<br \/>\n1565: Lodovico Ferrari, Italian mathematician<br \/>\n1786: Johann Gottlieb Gleditsch, German doctor and botanist<br \/>\n1912: Lewis Boss, US-American astronomer<br \/>\n1976: Lars Onsager, US-American physicochemist, Nobel Prize winner<br \/>\n1985: Karl Menger, Austrian mathematician<br \/>\n1986: James H. Wilkinson, British mathematician<br \/>\n2004: Maurice Wilkins, New Zealand physicist, Nobel Prize winner<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=MWFkaWc5MzMyMGk3ZjYxNXZlc2Q2aWlwdWZfMjAyNjEwMDUgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-6 simcal-weekday-2 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">6<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 6<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 6<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791234059\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-06T00:00:59+03:00\">6. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-06T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 6\" \/><meta itemprop=\"address\" content=\"October 6\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1582: Due to the beginning of the Gregorian calendar, this day does not exist in the Catholic countries of Europe.<\/p>\n<p>Born<br \/>\n1803: Heinrich Wilhelm Dove, German physicist and meteorologist<br \/>\n1831: Richard Dedekind, German mathematician<br \/>\n1903: Ernest Walton, Irish physicist<br \/>\n1931: Riccardo Giacconi, Italian-US-American astrophysicist and Nobel Prize winner<br \/>\n1937: Mario Capecchi, US geneticist and Nobel Prize winner<br \/>\n1940: Eberhard Zeidler, German mathematician<\/p>\n<p>Deceased<br \/>\n1825: Bernard Germain Lac\u00e9p\u00e8de, French natural scientist<br \/>\n1870: Augustus Matthiessen, British chemist and physicist<br \/>\n1946: Otto Barsch, German geologist and geophysicist<br \/>\n1983: Hermann Zorn, German chemist<br \/>\n1988: Paul Ledoux, Belgian astronomer and astrophysicist<br \/>\n2001: Alfred Jensch, astronomer and designer<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=N3VmOGhsaXY0cXFxYm1yOGh0ZGtjaWp1bWhfMjAyNjEwMDYgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-7 simcal-weekday-3 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">7<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 7<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 7<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791320459\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-07T00:00:59+03:00\">7. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-07T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 7\" \/><meta itemprop=\"address\" content=\"October 7\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1601: Florimond de Beaune, French mathematician<br \/>\n1846: Vladimir Peter K\u00f6ppen, German meteorologist, climatologist and botanist<br \/>\n1885: Niels Bohr, Danish physicist, Nobel Prize winner<br \/>\n1929: Hans-Peter D\u00fcrr, German physicist and author<br \/>\n1939: Harold Kroto, British chemist, Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1847: Alexandre Brongniart, French chemist and mineralogist, geologist and zoologist<br \/>\n1915: Friedrich Hasen\u00f6hrl, Austrian mathematician and physicist<br \/>\n1965: Jesse Douglas, US-American mathematician<br \/>\n2008: George Emil Palade, Romanian cell biologist and Nobel Prize winner<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=MnM1MXBoaW00MzJsNms4MHFkaDYwcmg3bmNfMjAyNjEwMDcgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-8 simcal-weekday-4 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">8<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 8<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 8<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791406859\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-08T00:00:59+03:00\">8. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-08T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 8\" \/><meta itemprop=\"address\" content=\"October 8\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1750: Adam Afzelius, Swedish botanist<br \/>\n1850: Henry Le Chatelier, French chemist<br \/>\n1873: Ejnar Hertzsprung, Danish astronomer<br \/>\n1883: Otto Warburg, German biochemist<br \/>\n1917: Rodney Robert Porter, British biochemist, Nobel Prize winner<br \/>\n1918: Jens C. Skou, Danish chemist, Nobel Prize winner<br \/>\n1927: C\u00e9sar Milstein, British molecular biologist, Nobel prize winner<br \/>\n1932: Kenneth Appel, US-American mathematician<\/p>\n<p>Deceased<br \/>\n1904: Clemens Alexander Winkler, German chemist<br \/>\n1935: Hans Tropsch, German chemist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=MGhtbDd0MGFhcjUwMGplMzU4a3U1b3M4OXNfMjAyNjEwMDggZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-9 simcal-weekday-5 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">9<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 9<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 9<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791493259\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-09T00:00:59+03:00\">9. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-09T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 9\" \/><meta itemprop=\"address\" content=\"October 9\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1852: Emil Fischer, German chemist and Nobel Prize winner, is considered the founder of classical organic chemistry.<br \/>\n1873: Karl Schwarzschild, German astronomer and physicist<br \/>\n1879: Max von Laue, German physicist and Nobel Prize winner<br \/>\n1898: Heinrich Behnke, German mathematician<br \/>\n1933: Peter Mansfield, British physicist and Nobel Prize winner for physiology or medicine<\/p>\n<p>Deceased<br \/>\n1589: Friedrich Pensold, German philologist and physicist<br \/>\n1943: Pieter Zeeman, Dutch physicist and Nobel Prize winner<br \/>\n1946: Israel Aharoni, Israeli zoologist<br \/>\n1967: Cyril Norman Hinshelwood, British chemist and Nobel Prize winner<br \/>\n1990: Georges de Rham, Swiss mathematician<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NmRscjc5YzhwdjA4bzR2ODMxMWczNzMyM25fMjAyNjEwMDkgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-10 simcal-weekday-6 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">10<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 10<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 10<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791579659\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-10T00:00:59+03:00\">10. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-10T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 10\" \/><meta itemprop=\"address\" content=\"October 10\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1528: Adam Lonitzer, German natural scientist, doctor and botanist<br \/>\n1731: Henry Cavendish, British natural scientist<br \/>\n1757: Erik Acharius, Swedish doctor and botanist<br \/>\n1930: Yves Chauvin, French chemist and Nobel Prize winner<br \/>\n1936: Gerhard Ertl, German physicist and surface chemist, Nobel Prize winner in chemistry<\/p>\n<p>Deceased<br \/>\n1708: David Gregory, Scottish mathematician<br \/>\n1871: Berthold Carl Seemann, German botanist<br \/>\n1919: Martin Leo Arons, German physicist and politician<br \/>\n2015: Richard F. Heck, US chemist and Nobel Prize winner<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NXBoYjlwZWxnNWs1YWFsa3JiZGRkM2JkNmNfMjAyNjEwMTAgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-11 simcal-weekday-0 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">11<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 11<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 11<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791666059\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-11T00:00:59+03:00\">11. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-11T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 11\" \/><meta itemprop=\"address\" content=\"October 11\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1755: Fausto Elhuyar, Spanish chemist<br \/>\n1758: Heinrich Wilhelm Olbers, German physician and astronomer<br \/>\n1768: Jean-\u00c9douard Adam, French chemist and physicist<br \/>\n1866: Johannes Petrus Kuenen, Dutch physicist<br \/>\n1881: Lewis Fry Richardson, British mathematician and peace researcher<br \/>\n1884: Friedrich Bergius, German chemist and Nobel Prize winner<br \/>\n1885: Alfr\u00e9d Haar, Hungarian mathematician<br \/>\n1889: Paula Hertwig, German biologist<br \/>\n1910: Cahit Arf, Turkish mathematician<br \/>\n1954: Hermann Gaub, German biophysicist<\/p>\n<p>Deceased<br \/>\n1705: Guillaume Amontons, French physicist<br \/>\n1708: Ehrenfried Walther von Tschirnhaus, German philosopher and mathematician<br \/>\n1852: Gotthold Eisenstein, German mathematician<br \/>\n1889: James Prescott Joule, British physicist<br \/>\n1921: Haruthiun Abeljanz, Swiss chemist<br \/>\n1940: Vito Volterra, Italian mathematician and physicist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=Mm44OHJlb2M2OGpkMnIzMGRnaDlxazVqdGlfMjAyNjEwMTEgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<\/tr><tr class=\"simcal-week simcal-week-41\">\n<td class=\"simcal-day-12 simcal-weekday-1 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">12<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 12<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 12<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791752459\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-12T00:00:59+03:00\">12. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-12T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 12\" \/><meta itemprop=\"address\" content=\"October 12\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1717: Georg Friedrich Baermann, German mathematician<br \/>\n1812: Ascanio Sobrero, Italian chemist<br \/>\n1865: Arthur Harden, British biochemist and Nobel Prize winner<br \/>\n1881: Viktor Kafka, Austrian bacteriologist<br \/>\n1930: Jens Martin Knudsen, Danish astrophysicist<br \/>\n1931: Ole-Johan Dahl, Norwegian computer scientist<br \/>\n1936: Malcolm Haines, British plasma physicist<\/p>\n<p>Deceased<br \/>\n1825: Franz Joseph M\u00fcller von Reichenstein, Austrian natural scientist<br \/>\n1866: Diederich Franz Leonhard von Schlechtendal, German botanist<br \/>\n1927: Benjamin Daydon Jackson, British botanist<br \/>\n1965: Paul Hermann M\u00fcller, Swiss chemist, Nobel Laureate<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NDRmdWo2cWplNmMydWRqczVtdDdnNWhiZjJfMjAyNjEwMTIgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-13 simcal-weekday-2 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">13<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 13<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 13<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791838859\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-13T00:00:59+03:00\">13. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-13T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 13\" \/><meta itemprop=\"address\" content=\"October 13\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1908: Fritz Haber applies for a patent for a \"process for the synthetic representation of ammonia from the elements\", the basis of the groundbreaking Haber-Bosch process.<\/p>\n<p>Born in<br \/>\n1776: Peter Barlow, British mathematician and physicist<br \/>\n1806: Otto Unverdorben, German merchant and pharmacist, discoverer of the dye aniline<br \/>\n1918: Colin Pittendrigh, American biologist, co-founder of chronobiology<br \/>\n1925: Margaret Thatcher, British chemist, lawyer and politician, first woman Prime Minister of the United Kingdom<\/p>\n<p>Deceased<br \/>\n1633: Georg Wecker, German physician and physicist<br \/>\n1965: Paul Hermann M\u00fcller, Swiss chemist, Nobel Laureate<br \/>\n1987: Walter Houser Brattain, US-American physicist, Nobel Prize winner<br \/>\n2003: Bertram Brockhouse, Canadian Physicist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=MXZ1Y3I5MjhqNWFybjB0Zmo3b2dkbjFzb2RfMjAyNjEwMTMgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-14 simcal-weekday-3 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">14<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 14<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 14<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1791925259\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-14T00:00:59+03:00\">14. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-14T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 14\" \/><meta itemprop=\"address\" content=\"October 14\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1655: Duisburg University is ceremoniously opened.<br \/>\n1882: The University of the Punjab is built in Lahore.<br \/>\n1888: Louis Le Prince records the world's first film, the Roundhay Garden Scene, with a film camera he developed himself.<\/p>\n<p>Born in<br \/>\n1767: Nicolas Theodore de Saussure, Swiss natural scientist<br \/>\n1801: Joseph Antoine Ferdinand Plateau, Belgian-Walloon physicist and photo pioneer<br \/>\n1840: Friedrich Wilhelm Georg Kohlrausch, German physicist<br \/>\n1914: Raymond Davis Jr., US chemist and Nobel Prize winner in physics<br \/>\n1922: Jaroslav Kouteck\u00fd, Czech chemist<br \/>\n1948: Engin Ar\u0131k, Turkish physicist<\/p>\n<p>Deceased<br \/>\n1803: Fran\u00e7ois Pierre Ami Argand, Swiss physicist, chemist, inventor and entrepreneur<br \/>\n1831: Jean-Louis Pons, French astronomer<br \/>\n1939: Friedrich Simon Archenhold, astronomer and co-founder of the Archenhold Observatory in Berlin-Treptow<br \/>\n1959: Karl Scharrer, Austrian agricultural chemist<br \/>\n1960: Abram Fjodorowitsch Joffe, Soviet physicist<br \/>\n1984: Martin Ryle, British physicist, Nobel Prize winner<br \/>\n2010: Benno Artmann, German mathematician<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NnNuODFhcHI1aHJoOWZiOHA4ZTJuZWVrZmNfMjAyNjEwMTQgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-15 simcal-weekday-4 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">15<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 15<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 15<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792011659\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-15T00:00:59+03:00\">15. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-15T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 15\" \/><meta itemprop=\"address\" content=\"October 15\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1669: The University of Innsbruck is founded by Emperor Leopold I.<\/p>\n<p>Born in<br \/>\n1608: Evangelista Torricelli, Italian physicist and mathematician<br \/>\n1731: Leopold von Apfaltern, Jesuit and mathematician<br \/>\n1763: Johann Georg Tralles, mathematician and physicist<br \/>\n1829: Asaph Hall, US-American astronomer and discoverer of the Martian moons<br \/>\n1921: Seymour Benzer, US-American physicist and biologist<\/p>\n<p>Deceased<br \/>\n1858: Carl Gustav Mosander, Swedish chemist<br \/>\n1959: Leopold Fej\u00e9r, Hungarian mathematician<br \/>\n1965: Abraham Fraenkel, German-Israeli mathematician<br \/>\n2000: Konrad Bloch, German biochemist, Nobel Laureate<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NDBmbGptN2lydnQ2YTV0cDhuaTRkYmg5bmFfMjAyNjEwMTUgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-16 simcal-weekday-5 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">16<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 16<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 16<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792098059\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-16T00:00:59+03:00\">16. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-16T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 16\" \/><meta itemprop=\"address\" content=\"October 16\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1843: The mathematician William Rowan Hamilton thinks of the formula for quaternions (hypercomplex numbers) in a flash of genius. He carves it into a stone of the Broom Bridge in Dublin.<\/p>\n<p>Born in<br \/>\n1816: Antoine B\u00e9champ, French physician, biologist and pharmacologist<\/p>\n<p>Deceased<br \/>\n1968: Walter Friedrich, German biophysicist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NjZyajd2bms5YjRvbjVkbmJoNzJsbmg2aGlfMjAyNjEwMTYgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-17 simcal-weekday-6 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">17<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 17<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 17<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792184459\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-17T00:00:59+03:00\">17. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-17T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 17\" \/><meta itemprop=\"address\" content=\"October 17\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1456: The University of Greifswald is founded. It is the fourth oldest university in the Federal Republic of Germany and the second oldest in the Baltic Sea region.<br \/>\n1604: The astronomer Johannes Kepler observes the supernova 1604 (\"Kepler's star\"), the last supernova discovered in our Milky Way, in the constellation of snake bearers. He later published his findings in De Stella nova in pede Serpentarii.<\/p>\n<p>Born<br \/>\n1739: Johann Carl Friedrich Meyer, German pharmacist and chemist<br \/>\n1820: \u00c9douard Albert Roche, French mathematician<br \/>\n1848: Adolf August Winkelmann, German physicist<br \/>\n1857: Momme Andresen, German chemist<br \/>\n1919: Isaak Markowitsch Chalatnikow, Russian physicist<br \/>\n1927: Friedrich Hirzebruch, German mathematician<\/p>\n<p>Deceased<br \/>\n1887: Gustav Robert Kirchhoff, German physicist<br \/>\n1944: Adolf Schmidt, German geophysicist<br \/>\n1963: Jacques Salomon Hadamard, French mathematician<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NDI5cWliNTZnNG92bTl0Z3VmdWkwMzFxbnZfMjAyNjEwMTcgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-18 simcal-weekday-0 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">18<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 18<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 18<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792270859\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-18T00:00:59+03:00\">18. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-18T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 18\" \/><meta itemprop=\"address\" content=\"October 18\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1502: The University of Wittenberg is founded.<\/p>\n<p>Born in<br \/>\n1730: Christian Gottlieb Seydlitz, German physicist and logician<br \/>\n1799: Christian Friedrich Sch\u00f6nbein, German-Swiss chemist<br \/>\n1902: Pascual Jordan, German physicist<\/p>\n<p>Deceased<br \/>\n1564: Johannes Acronius Frisius, West Frisian scholar, physician, astronomer and mathematician<br \/>\n1845: Jean Dominique Comte de Cassini, French cartographer and astronomer<br \/>\n1871: Charles Babbage, English mathematician, philosopher, inventor and political economist<br \/>\n1921: Ulrich Kreusler, German agricultural chemist<br \/>\n1962: Barend Coenraad Petrus Jansen, Dutch chemist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NWI4cHRlamI0cHRkdGo5YzhramYzZ24wZ3NfMjAyNjEwMTggZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<\/tr><tr class=\"simcal-week simcal-week-42\">\n<td class=\"simcal-day-19 simcal-weekday-1 simcal-past simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">19<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 19<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 19<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792357259\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-19T00:00:59+03:00\">19. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-19T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 19\" \/><meta itemprop=\"address\" content=\"October 19\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1733: Johann Friedrich Hennert, German mathematician and astronomer<br \/>\n1862: Auguste Lumi\u00e8re, French chemist and entrepreneur<br \/>\n1872: Jacques E. Brandenberger, Swiss chemist and textile engineer, inventor of cellophane<br \/>\n1909: Marguerite Perey, French chemist and physicist<br \/>\n1910: Subrahmanyan Chandrasekhar, US astrophysicist and Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1875: Charles Wheatstone, British physicist<br \/>\n1904: Kenneth E. Iverson, Canadian mathematician<br \/>\n1906: Karl Pfizer, German chemist<br \/>\n1937: Ernest Rutherford, British nuclear physicist, Nobel Prize winner<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=MGFpb3RiNWh2NnM5N2tocTJtcmR2bTQ4NDJfMjAyNjEwMTkgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-20 simcal-weekday-2 simcal-today simcal-present simcal-day simcal-today-has-events simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div style=\"border: 1px solid #1e73be;\">\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #1e73be; color: #ffffff\">20<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 20<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 20<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792443659\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-20T00:00:59+03:00\">20. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-20T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 20\" \/><meta itemprop=\"address\" content=\"October 20\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1553: Zacharias Brendel the Elder, German philosopher, physicist, physician and botanist<br \/>\n1580: Peter Cr\u00fcger, German philologist, astronomer and mathematician<br \/>\n1900: Shir\u014d Akabori, Japanese chemist and university lecturer<br \/>\n1942: Christiane N\u00fcsslein-Volhard, German biologist, Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1896: Fran\u00e7ois F\u00e9lix Tisserand, French astronomer<br \/>\n1984: Carl Ferdinand Cori, Austrian-US-American physician, physiologist, biochemist and pharmacologist, Nobel Prize winner<br \/>\n1984: Paul A. M. Dirac, British physicist, Nobel Prize winner and co-founder of quantum physics<br \/>\n1987: Andrei Kolmogorov, Russian mathematician<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=M24xdW5iNXJjOW1qdXZpNDdudDI0aHZnbDRfMjAyNjEwMjAgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-21 simcal-weekday-3 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">21<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 21<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 21<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792530059\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-21T00:00:59+03:00\">21. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-21T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 21\" \/><meta itemprop=\"address\" content=\"October 21\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1831: Hermann Hellriegel, German agricultural chemist<br \/>\n1883: Friedrich Josef Knoll, Austrian botanist and rector of the University of Vienna<\/p>\n<p>Deceased<br \/>\n1825: Friedrich Theodor von Schubert, German astronomer<br \/>\n1872: Jacques Babinet, French physicist<br \/>\n1881: Eduard Heine, German mathematician<br \/>\n1967: Ejnar Hertzsprung, Danish astronomer<br \/>\n1969: Waclaw Sierpinski, Polish mathematician<br \/>\n1974: Frederik Buytendijk, Dutch biologist, anthropologist, psychologist, physiologist and sports physician<br \/>\n2002: Jesse Leonard Greenstein, US-American astronomer<br \/>\n2006: Arthur Peacocke, British biochemist and theologian<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=MjN2bXZtZGxha2dkcDA0c29xdTRqaGpic2lfMjAyNjEwMjEgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-22 simcal-weekday-4 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">22<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 22<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 22<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792616459\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-22T00:00:59+03:00\">22. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-22T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 22\" \/><meta itemprop=\"address\" content=\"October 22\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1746: The College of New Jersey is founded, from which Princeton University develops.<\/p>\n<p>Born in<br \/>\n1511: Erasmus Reinhold, German astronomer and mathematician<br \/>\n1659: Georg Ernst Stahl, German chemist, metallurgist and medical doctor<br \/>\n1729: Johann Reinhold Forster, German natural scientist<br \/>\n1751: Nathanael Gottfried Leske, German natural scientist<br \/>\n1881: Clinton Davisson, American physicist, Nobel Prize winner<br \/>\n1893: Ernst Julius \u00d6pik, Estonian astronomer<\/p>\n<p>Deceased<br \/>\n1833: Sigismund Friedrich Hermbst\u00e4dt, German pharmacist, chemist, technical writer and technologist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NDhocWEzODNiZWZvOWhrOGhobjhidXRvMnJfMjAyNjEwMjIgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-23 simcal-weekday-5 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">23<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 23<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 23<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792702859\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-23T00:00:59+03:00\">23. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-23T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 23\" \/><meta itemprop=\"address\" content=\"October 23\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1554: Georg Limn\u00e4us, German mathematician, astronomer and librarian<br \/>\n1873: William David Coolidge, US-American physicist<br \/>\n1875: Gilbert Newton Lewis, US-American Physicochemist<br \/>\n1905: Felix Bloch, Swiss-US-American physicist, Nobel Prize winner<br \/>\n1908: Ilja Michailowitsch Frank, Russian physicist, Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1635: Wilhelm Schickard, German astronomer and mathematician<br \/>\n1944: Charles Glover Barkla, British physicist, Nobel Prize winner<br \/>\n1986: Edward Adelbert Doisy, US biochemist, Nobel Prize winner<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=Mm05N3Ntc25xNHNuaTNnaXVjcGZlZGJodmJfMjAyNjEwMjMgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-24 simcal-weekday-6 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">24<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 24<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 24<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792789259\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-24T00:00:59+03:00\">24. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-24T23:59:01+03:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 24\" \/><meta itemprop=\"address\" content=\"October 24\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1824: At the suggestion of Johann Wolfgang von Goethe, a physical association is founded in Frankfurt am Main.<br \/>\n1828: In Gro\u00dfenhain, Saxony, the first German public library is established in the former Latin School with the Vaterl\u00e4ndische B\u00fcrger-Bibliothek on the initiative of Karl Benjamin Preusker. It aims to appeal to all sections of the population with books.<\/p>\n<p>Born in<br \/>\n1632: Antoni van Leeuwenhoek, Dutch naturalist and microscope builder<br \/>\n1804: Wilhelm Weber, German physicist<br \/>\n1808: Bernhard von Cotta, German geologist<br \/>\n1811: Friedrich Anton Wilhelm Miquel, German botanist<br \/>\n1821: Philipp Ludwig von Seidel, German mathematician and astronomer<br \/>\n1854: Hendrik Willem Bakhuis Roozeboom, Dutch chemist<br \/>\n1887: Giuseppe Armellini, Italian astronomer<br \/>\n1932: Pierre-Gilles de Gennes, French physicist, Nobel Prize winner<br \/>\n1935: Hermann Matschiner, German chemist and university professor<\/p>\n<p>Deceased<br \/>\n1601: Tycho Brahe, Danish astronomer<br \/>\n1655: Pierre Gassendi, French philosopher, theologian and mathematician, astronomer and physicist<br \/>\n1930: Paul \u00c9mile Appeal, French mathematician<br \/>\n1940: Pierre Ernest Wei\u00df, French physicist<br \/>\n2007: Adolf Oberth, Romanian chemist and inventor<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=N2kzcWQ0bGc0NWs5cWFyNTVjbWMxcTg2MTFfMjAyNjEwMjQgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-25 simcal-weekday-0 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">25<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 25<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 25<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792875659\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-25T00:00:59+03:00\">25. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-25T23:59:01+02:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 25\" \/><meta itemprop=\"address\" content=\"October 25\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1789: Samuel Heinrich Schwabe, German astronomer<br \/>\n1811: \u00c9variste Galois, French mathematician<br \/>\n1827: Marcelin Berthelot, French chemist and politician<br \/>\n1877: Henry Norris Russell, US-American astronomer<br \/>\n1914: Warren Arthur Ambrose, US-American mathematician<br \/>\n1925: Klaus Friedrich Roth, British professor of mathematics<\/p>\n<p>Deceased<br \/>\n1647: Evangelista Torricelli, Italian natural scientist, inventor of the barometer<br \/>\n1933: Albert Wangerin, German mathematician<br \/>\n1945: Robert Ley, German chemist and politician, head of the German labor front, accused of being a major war criminal<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NmI5cTZsMDk4Z2c2Y3FuOWprcHN0ZHNpNWNfMjAyNjEwMjUgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<\/tr><tr class=\"simcal-week simcal-week-43\">\n<td class=\"simcal-day-26 simcal-weekday-1 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">26<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 26<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 26<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1792965659\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-26T00:00:59+02:00\">26. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-26T23:59:01+02:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 26\" \/><meta itemprop=\"address\" content=\"October 26\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1861: Johann Philipp Reis introduces a telephone set to the Physikalischer Verein zu Frankfurt am Main as a forerunner of the modern telephone.<\/p>\n<p>Born in<br \/>\n1809: Franz Wilhelm Junghuhn, German naturalist<br \/>\n1849: Ferdinand Georg Frobenius, German mathematician<br \/>\n1874: Thomas Lowry, British chemist<\/p>\n<p>Deceased<br \/>\n1613: Johann Bauhin, Swiss doctor and botanist<br \/>\n1817: Yasuaki Aida, Japanese mathematician<br \/>\n1817: Nikolaus Joseph Freiherr von Jacquin, Austrian botanist and chemist<br \/>\n1870: Thomas Anderson, Scottish botanist<br \/>\n1957: Gerty Cori, Czech-US-American biochemist, Nobel Prize winner<br \/>\n1968: Sergej Natanowitsch Bernstein, Russian mathematician<br \/>\n1968: Rudolf Grewe, German chemist<br \/>\n1983: Alfred Tarski, Polish mathematician and logician<br \/>\n2015: Leo Kadanoff, US-American physicist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=MjF1MTYxNGhsMDZlMm1hN29hY2p0dDh2bjVfMjAyNjEwMjYgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-27 simcal-weekday-2 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">27<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 27<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 27<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1793052059\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-27T00:00:59+02:00\">27. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-27T23:59:01+02:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 27\" \/><meta itemprop=\"address\" content=\"October 27\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1854: Leopold Friedrich Anton Ambronn, German astronomer<br \/>\n1855: Ivan Vladimirovich Mitshurin, Russian botanist<br \/>\n1921: Jos\u00e9 \u00c1dem Chain, Mexican mathematician<\/p>\n<p>Deceased<br \/>\n1845: Jean Peltier, French physicist<br \/>\n1937: Friedrich Christian Georg Ahlborn, German zoologist and physicist<br \/>\n1962: Hermann Muckermann, German biologist and Jesuit<br \/>\n1968: Lise Meitner, Austrian physicist<br \/>\n1992: David Bohm, US-American quantum physicist<br \/>\n1997: Achim Gercke, German biologist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NmE0bjFyNjZuamg2cjlucTVkM2lsZzdyN3ZfMjAyNjEwMjcgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-28 simcal-weekday-3 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">28<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 28<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 28<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1793138459\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-28T00:00:59+02:00\">28. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-28T23:59:01+02:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 28\" \/><meta itemprop=\"address\" content=\"October 28\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1538: Pope Paul III approves the foundation of the University of Santo Domingo.<br \/>\n1636: Harvard University is founded in Cambridge. It owes its name to its first benefactor, John Harvard.<br \/>\n1869: Dmitri Ivanovich Mendeleev publishes the periodic table of the elements.<\/p>\n<p>Born in<br \/>\n1761: Giovanni Antonio Giobert, Italian chemist and mineralogist<br \/>\n1867: Hans Driesch, German biologist<br \/>\n1880: Wilhelm Robert Karl Anderson, German-Baltic astrophysicist<br \/>\n1880: Michele Cipolla, Italian mathematician<br \/>\n1898: Franti\u0161ek B\u011bhounek, Czech physicist and writer<br \/>\n1914: Richard L. M. Synge, British chemist, Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1841: Johan August Arfwedson, Swedish chemist<br \/>\n1912: Werner von Bolton, German chemist and materials scientist, inventor of metallic filaments<br \/>\n1916: Cleveland Abbe, US-American astronomer and meteorologist<br \/>\n1959: Walther Bauersfeld, German engineer and physicist<br \/>\n1965: Luigi Amoroso, Italian mathematician and economist<br \/>\n2005: Richard E. Smalley, US chemist and Nobel Prize winner<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=M3RsbHFia3JyOWthZ3BodmNodDNraTY5anFfMjAyNjEwMjggZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-29 simcal-weekday-4 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">29<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 29<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 29<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1793224859\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-29T00:00:59+02:00\">29. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-29T23:59:01+02:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 29\" \/><meta itemprop=\"address\" content=\"October 29\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>Born in<br \/>\n1855: Jacques Curie, French physicist<br \/>\n1866: Gustav Witt, German astronomer<br \/>\n1880: Abram Fjodorowitsch Joffe, Soviet physicist<\/p>\n<p>Deceased<br \/>\n1783: Jean Baptiste le Rond d'Alembert, French mathematician, physicist and philosopher of the Enlightenment<br \/>\n1934: Kurt Floericke, German natural scientist<br \/>\n1951: Robert Grant Aitken, US-American astronomer<br \/>\n1971: Arne Tiselius, Swedish chemist and Nobel Prize winner<br \/>\n1985: Jewgeni Lifschitz, Soviet physicist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=NjluazNjcHJ0dW42MHJidmV2M3Ewa2w2N3VfMjAyNjEwMjkgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-30 simcal-weekday-5 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">30<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 30<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 30<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1793311259\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-30T00:00:59+02:00\">30. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-30T23:59:01+02:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 30\" \/><meta itemprop=\"address\" content=\"October 30\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1911: The first Solvay conference on the theory of radiation and quanta, organised by the Belgian industrialist and amateur researcher Ernest Solvay and attended by the world's leading experimental and theoretical physicists, is opened at the Metropol Hotel in Brussels under the chairmanship of Hendrik Antoon Lorentz.<br \/>\n1961: The hydrogen bomb Tsar is ignited in Novaya Semlya. The detonation is still considered to be the largest man-made explosion ever.<\/p>\n<p>Born in<br \/>\n1632: Christopher Wren, British astronomer and architect, founding member of the Royal Society<br \/>\n1758: Friedrich Theodor von Schubert, German astronomer<br \/>\n1868: Albertus Antonie Nijland, Dutch astronomer<br \/>\n1909: Homi Jehangir Bhabha, Indian physicist<br \/>\n1928: Daniel Nathans, US-American biologist<br \/>\n1928: Joachim Wattendorff, German biologist<br \/>\n1938: Marina Ratner, US-American mathematician<br \/>\n1941: Theodor H\u00e4nsch, German physicist, pioneer of laser spectroscopy and Nobel Prize winner<br \/>\n1946: William Thurston, US-American mathematician<\/p>\n<p>Deceased<br \/>\n1626: Willebrord Snell, Dutch natural scientist<br \/>\n1975: Gustav Hertz, German physicist, Nobel Prize winner<br \/>\n2002: Pierre Aigrain, French physicist and State Secretary for Research<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=N3Z1anUzb2RocTEwaWFmNjdzMDM4NXE3dWhfMjAyNjEwMzAgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day-31 simcal-weekday-6 simcal-future simcal-day simcal-day-has-events simcal-day-has-1-events simcal-events-calendar-1643\" data-events-count=\"1\">\n\t<div>\n\t\t<span class=\"simcal-day-label simcal-day-number\" style=\"background-color: #000000; color: #ffffff\">31<\/span>\n\t\t<ul class=\"simcal-events\">\t<li class=\"simcal-event simcal-event-recurring simcal-events-calendar-1643 simcal-tooltip\">\n\t\t<span class=\"simcal-event-title\">October 31<\/span>\n\t\t<div class=\"simcal-event-details simcal-tooltip-content\" style=\"display: none;\"><p><strong><span class=\"simcal-event-title\" itemprop=\"name\">October 31<\/span><\/strong><\/p>\n<p><span class=\"simcal-event-start simcal-event-start-date\" data-event-start=\"1793397659\" data-event-format=\"j. F Y\" itemprop=\"startDate\" content=\"2026-10-31T00:00:59+02:00\">31. October 2026<\/span><meta itemprop=\"endDate\" content=\"2026-10-31T23:59:01+02:00\" \/><br \/>\n <span class=\"simcal-event-address simcal-event-start-location\" itemprop=\"location\" itemscope itemtype=\"http:\/\/schema.org\/Place\"><meta itemprop=\"name\" content=\"October 31\" \/><meta itemprop=\"address\" content=\"October 31\" \/><\/span><\/p>\n<div><div class=\"simcal-event-description\" itemprop=\"description\"><p>1957: The Munich Research Reactor (called the \"Atomic Egg\") is the first German research reactor to go into operation in Garching near Munich.<\/p>\n<p>Born in<br \/>\n1711: Laura Bassi, Italian philosopher, first professor of physics in Europe<br \/>\n1809: John Stenhouse, British chemist<br \/>\n1815: Karl Weierstrass, German mathematician<br \/>\n1835: Adolf von Baeyer, German chemist<br \/>\n1847: Galileo Ferraris, Italian engineer and physicist<br \/>\n1911: Alexander Iljitsch Achijeser, Russian-Ukrainian theoretical physicist<br \/>\n1925: John Anthony Pople, British mathematician, Nobel Prize winner<\/p>\n<p>Deceased<br \/>\n1867: William Parsons, 3rd Earl of Rosse, Irish astronomer<br \/>\n1952: Alexander Alexandrovich Andronov, Soviet physicist<br \/>\n1986: Robert S. Mulliken, US-American physicist and chemist<br \/>\n2005: Hal Anger, US-American electrical engineer and biophysicist<br \/>\n2005: William O. Baker, US-American chemist<\/p>\n<\/div><\/div>\n<p> <a href=\"https:\/\/www.google.com\/calendar\/event?eid=M3ZmOWx0ZmZrdWwzZGYxZnRkOTl1cWYzMWxfMjAyNjEwMzEgZ2V2bGEzMHE0YWtzYTBva3NxbTBhaHUzM29AZw&#038;ctz=Europe\/Helsinki\" target=\"_blank\" >See more details<\/a><\/p><\/div>\n\t<\/li>\n<\/ul>\n\n\t\t<span class=\"simcal-events-dots\" style=\"display: none;\"><span class=\"simcal-event-color simcal-event-color-dot\" style=\"background-color: #000;\" aria-hidden=\"true\"><\/span><\/span>\n\t<\/div>\n<\/td>\n<td class=\"simcal-day simcal-day-void simcal-day-void-last\"><\/td>\n\t<\/tr>\n<\/tbody>\n            <\/table>\n\n\t\t\t<\/div>\n\r\n<h2>NMR Periodic Table of Elements<!--2--><\/h2>\r\n<p>&nbsp;<\/p>\r\n\r\n<table id=\"nmr\" style=\"font-size: 12px;\" width=\"100%\">\r\n<tbody id=\"nmr\">\r\n<tr>\r\n<td>\u00a0<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">I<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">II<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">IIIb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">IVb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">Vb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">VIb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">VIIb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">VIIIb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">VIIIb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">VIIIb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">Ib<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">IIb<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">III<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">IV<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">V<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">VI<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">VII<\/td>\r\n<td bgcolor=\"#C0C0C0\" width=\"30\">VIII<\/td>\r\n<\/tr>\r\n<tr>\r\n<td id=\"nmr\" bgcolor=\"#C0C0C0\">K<\/td>\r\n<td id=\"nmr\"><a title=\"Hydrogen\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/hydrogen\/\">H<\/a><\/td>\r\n<td id=\"nmr\" colspan=\"16\">\u00a0<\/td>\r\n<td id=\"nmr\"><a title=\"Helium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/helium\/\">He<\/a><\/td>\r\n<\/tr>\r\n<tr>\r\n<td id=\"nmr\" bgcolor=\"#C0C0C0\">L<\/td>\r\n<td id=\"nmr\"><a title=\"Lithium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/11\/lithium\/\">Li<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Beryllium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/11\/beryllium\/\">Be<\/a><\/td>\r\n<td id=\"nmr\" colspan=\"10\" rowspan=\"2\">\u00a0<\/td>\r\n<td id=\"nmr\"><a title=\"Boron\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/11\/boron\/\">B<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Carbon\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/carbon\/\">C<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Nitrogen\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/nitrogen\/\">N<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Oxygen\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/11\/oxygen\/\">O<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Fluorine\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/fluorine\/\">F<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Neon\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/12\/neon\/\">Ne<\/a><\/td>\r\n<\/tr>\r\n<tr>\r\n<td bgcolor=\"#C0C0C0\">M<\/td>\r\n<td id=\"nmr\"><a title=\"Sodium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/12\/sodium\/\">Na<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Magnesium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/12\/magnesium\/\">Mg<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Aluminium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/13\/aluminium\/\">Al<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Silicon\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/silicon\/\">Si<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Phosphorous\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/phosphorous\/\">P<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Sulfur\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/13\/sulfur\/\">S<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Chlorine\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/14\/chlorine\/\">Cl<\/a><\/td>\r\n<td id=\"nmr\">Ar<\/td>\r\n<\/tr>\r\n<tr>\r\n<td bgcolor=\"#C0C0C0\">N<\/td>\r\n<td id=\"nmr\"><a title=\"Potassium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/14\/potassium\/\">K<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Calcium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/14\/calcium\/\">Ca<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Scandium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/14\/scandium\/\">Sc<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Titanium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/14\/titanium\/\">Ti<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Vanadium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/14\/vanadium\/\">V<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Chromium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/chromium\/\">Cr<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Manganese\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/manganese\/\">Mn<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Iron\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/iron\/\">Fe<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Cobalt\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/cobalt\/\">Co<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Nickel\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/nickel\/\">Ni<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Copper\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/copper\/\">Cu<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"zinc\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/zinc\/\">Zn<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Gallium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/gallium\/\">Ga<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Germanium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/germanium\/\">Ge<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Arsenic\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/arsenic\/\">As<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Selenium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/selenium\/\">Se<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Bromine\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/bromine\/\">Br<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Krypton\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/krypton\/\">Kr<\/a><\/td>\r\n<\/tr>\r\n<tr>\r\n<td bgcolor=\"#C0C0C0\">O<\/td>\r\n<td id=\"nmr\"><a title=\"Rubidium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/rubidium\/\">Rb<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Strontium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/16\/strontium\/\">Sr<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Yttrium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/yttrium\/\">Y<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"zirconium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/zirconium\/\">Zr<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Niobium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/niobium\/\">Nb<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Molybdenum\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/molybdenum\/\">Mo<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Technetium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/technetium\/\">Tc<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Ruthenium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/ruthenium\/\">Ru<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Rhodium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/rhodium\/\">Rh<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Palladium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/palladium\/\">Pd<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Silver\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/silver\/\">Ag<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Cadmium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/cadmium\/\">Cd<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Indium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/indium\/\">In<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Tin\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/tin\/\">Sn<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Antimony\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/antimony\/\">Sb<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Tellurium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/tellurium\/\">Te<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Iodine\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/iodine\/\">I<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Xenon\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/xenon\/\">Xe<\/a><\/td>\r\n<\/tr>\r\n<tr>\r\n<td bgcolor=\"#C0C0C0\">P<\/td>\r\n<td id=\"nmr\"><a title=\"Caesium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/caesium\/\">Cs<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Barium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/barium\/\">Ba<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Lanthanum\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/lanthanum\/\">La<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Hafnium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/hafnium\/\">Hf<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Tantalum\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/tantalum\/\">Ta<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Tungsten\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/tungsten\/\">W<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Rhenium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/rhenium\/\">Re<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Osmium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/osmium\/\">Os<\/a><\/td>\r\n<td id=\"nmr\"><sup><a title=\"Iridium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/iridium\/\">Ir<\/a><\/sup><\/td>\r\n<td id=\"nmr\"><a title=\"Platinum\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/platinum\/\">Pt<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Gold\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/gold\/\">Au<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Mercury\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/mercury\/\">Hg<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Thallium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/thallium\/\">Tl<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Lead\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/10\/lead\/\">Pb<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Bismuth\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/17\/bismuth\/\">Bi<\/a><\/td>\r\n<td id=\"nmr\"><a title=\"Polonium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/12\/05\/polonium\/\">Po<\/a><\/td>\r\n<td id=\"nmr\">At<\/td>\r\n<td id=\"nmr\">Rn<\/td>\r\n<\/tr>\r\n<tr>\r\n<td bgcolor=\"#C0C0C0\">Q<\/td>\r\n<td id=\"nmr\">Fr<\/td>\r\n<td id=\"nmr\">Ra<\/td>\r\n<td id=\"nmr\">Ac<\/td>\r\n<td id=\"nmr\">Rf<\/td>\r\n<td id=\"nmr\">Db<\/td>\r\n<td id=\"nmr\">Sg<\/td>\r\n<td id=\"nmr\">Bh<\/td>\r\n<td id=\"nmr\">Hs<\/td>\r\n<td id=\"nmr\">Mt<\/td>\r\n<td id=\"nmr\">Ds<\/td>\r\n<td id=\"nmr\">Rg<\/td>\r\n<td id=\"nmr\">Cn<\/td>\r\n<td id=\"nmr\">Uut<\/td>\r\n<td id=\"nmr\">Fl<\/td>\r\n<td id=\"nmr\">Uup<\/td>\r\n<td id=\"nmr\">Lv<\/td>\r\n<td id=\"nmr\">Uus<\/td>\r\n<td id=\"nmr\">Uuo<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<p>&nbsp;<\/p>\r\n<table border=\"1\">\r\n<tbody>\r\n<tr>\r\n<td width=\"90\"><sup>*<\/sup>Lanthanides<\/td>\r\n<td>Ce<\/td>\r\n<td><a title=\"Praseodymium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/praseodymium\/\">Pr<\/a><\/td>\r\n<td><a title=\"Neodymium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/neodymium\/\">Nd<\/a><\/td>\r\n<td>Pm<\/td>\r\n<td><a title=\"Samarium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/samarium\/\">Sm<\/a><\/td>\r\n<td><a title=\"Europium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/europium\/\">Eu<\/a><\/td>\r\n<td><a title=\"Gadolinium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/gadolinium\/\">Gd<\/a><\/td>\r\n<td><a title=\"Terbium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/terbium\/\">Tb<\/a><\/td>\r\n<td><a title=\"Dysprosium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/dysprosium\/\">Dy<\/a><\/td>\r\n<td><a title=\"Holmium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/holmium\/\">Ho<\/a><\/td>\r\n<td><a title=\"Erbium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/erbium\/\">Er<\/a><\/td>\r\n<td><a title=\"Thulium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/thulium\/\">Tm<\/a><\/td>\r\n<td><a title=\"Ytterbium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/ytterbium\/\">Yb<\/a><\/td>\r\n<td><a title=\"Lutetium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/lutetium\/\">Lu<\/a><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<table border=\"1\">\r\n<tbody>\r\n<tr>\r\n<td width=\"90\"><sup>**<\/sup>Actinides<\/td>\r\n<td>Th<\/td>\r\n<td><a title=\"Protactinium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/12\/05\/protactinium\/\">Pa<\/a><\/td>\r\n<td><a title=\"Uranium\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/2013\/11\/18\/uranium\/\">U<\/a><\/td>\r\n<td>Np<\/td>\r\n<td>Pu<\/td>\r\n<td>Am<\/td>\r\n<td>Cm<\/td>\r\n<td>Bk<\/td>\r\n<td>Cf<\/td>\r\n<td>Es<\/td>\r\n<td>Fm<\/td>\r\n<td>Md<\/td>\r\n<td>No<\/td>\r\n<td>Lr<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<hr \/>\r\n<p><span style=\"color: #0000ff;\"><strong>Sources:<\/strong><\/span> <br \/>IUPAC Pure and Applied Chemistry 73, 1795\u20131818<br \/>Bruker Almanac 2012<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Hi, welcome at my english site. 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