Welcome

1983: Student Fred Cohen presents the world's first computer virus on a Unix system at the University of Southern California.

Born in
1918: Ernst Otto Fischer, German chemist, Nobel Prize winner
1932: Roland Bulirsch, German mathematician
1937: Werner Giggenbach, German geochemist, geologist and volcanologist

Deceased
1799: Joseph Black, British chemist and physicist
2001: Carl-Gustav Esseen, Swedish mathematician
2015: Klaus Friedrich Roth, British mathematician

1572: Tycho Brahe discovers a "new star" in the constellation Cassiopeia, which later turned out to be the supernova (SN1572).
1675: Gottfried Wilhelm Leibniz formulates for the first time in an essay on inverse tangents one of his fundamental propositions using the modern integral sign.
1886: Heinrich Hertz succeeds in transmitting electromagnetic waves from a transmitter to a receiver in an experiment.

Born in
1823: Jakob Amsler-Laffon, Swiss mathematician, physicist, engineer and industrialist
1878: Dankwart Ackermann, German physiologist and chemist
1880: Alexander Behm, German physicist, inventor of the echo sounder for ships and aircraft
1915: Sidney Charles Bartholemew Gascoigne, Australian astronomer

Deceased
1807: Jean-Édouard Adam, French chemist and physicist
1884: Alfred Edmund Brehm, German zoologist and writer
1957: Ugo Amaldi, Italian mathematician
1973: Artturi Ilmari Virtanen, Finnish biochemist, Nobel Prize winner
2012: Hartwig Kelm, German chemist and artistic director

Born in
1746: Jacques Alexandre César Charles, French physicist, chemist, inventor and aviation pioneer
1831: Anton Kerner von Marilaun, Austrian botanist and professor
1833: Alexander Porfiryevich Borodin, Russian composer, chemist and physician
1842: John William Strutt, 3rd Baron Rayleigh, British physicist and Nobel Prize winner
1891: Seth Barnes Nicholson, US-American astronomer

Deceased
1916: Percival Lowell, US-American astronomer, founder of the Lowell Observatory
1941: Leo Graetz, German physicist
1954: Richard Karl Theodor Ambronn, German geophysicist

Born in
1893: Edward Adelbert Doisy, American biochemist, Nobel Prize winner
1901: Werner Emmanuel Bachmann, US chemist

Deceased
1004: Subscription by Fleury, French mathematician
1897: Carlos Otto, German chemist and entrepreneur
1946: Kurt Arndt, German chemist
2003: Friedrich Gondolatsch, German astronomer
2014: Alexander Grothendieck, French mathematician

Born in
1797: Charles Lyell, British geologist
1807: Auguste Laurent, French chemist
1910: Daniel Israel Arnon, American biologist, biochemist and plant physiologist
1916: Roger Apéry, Greek-French mathematician

Deceased
1672: Franciscus Sylvius, French-Dutch anatomist and chemist
1747: Wigand Kahler, German Protestant theologian and mathematician
1798: Naonobu Ajima, Japanese mathematician
1849: Carl Adams, German mathematician and teacher
1899: Ferdinand Tiemann, German chemist
1919: John Aitken, British physicist and meteorologist
1950: Carl Heinrich Apstein, German zoologist
1954: Ernst Sigismund Fischer, Austrian mathematician
2004: Helmut Zahn, German chemist

Born in
1599: Werner Rolfinck, German physician, natural scientist and botanist
1738: Friedrich Wilhelm Herschel, German astronomer, musician and composer
1843: Joseph König, German chemist

Deceased
1589: Philipp Apian, German geographer and mathematician
1630: Johannes Kepler, German natural philosopher, mathematician, astronomer, astrologer, optician and theologian
1772: Johann Christian Senckenberg, German physician, founder, natural scientist and botanist
1844: Nicolaas Cornelis de Fremery, Dutch physician, pharmacologist, zoologist and chemist

1938: As part of his research on ergot, the Swiss chemist Albert Hofmann produces lysergic acid diethylamide (LSD) for the first time.
1974: The Arecibo message to possible aliens is sent from the Arecibo observatory into space in the form of a radio wave signal.

Born
1717: Jean Baptiste le Rond d'Alembert, French mathematician
1835: Eugenio Beltrami, Italian mathematician
1841: Jules Violle, French physicist and academic
1886: Marcel Riesz, Hungarian mathematician
1922: Gene Amdahl, American computer scientist, physicist, and engineer
1929: Wolfgang Hilger, German chemist and company manager

Deceased
1779: Pehr Kalm, Finnish botanist and explorer
1802: André Michaux, French botanist and explorer
1877: Karl Ludwig von Littrow, German astronomer
1922: Max Abraham, Polish-German physicist and academic
1937: Ludwig Plate, German zoologist
1974: Walther Meissner, German physicist and engineer
1982: Pavel Alexandrov, Russian mathematician and academic
1999: Daniel Nathans, US-American biologist, Nobel Prize winner
2005: Henry Taube, US-American chemist, Nobel Prize winner
2007: Angelo Marcello Anile, Italian physicist and mathematician
2013: Oscar Lanford, American mathematician and academic

Born in
1597: Henry Gellibrand, English astronomer
1790: August Ferdinand Möbius, German mathematician
1753: Gotthilf Heinrich Ernst Muhlenberg, American pastor and botanist
1835: William Arnold Anthony, US-American physicist
1857: Joseph Babinski, French neurologist
1868: Korbinian Brodmann, German neurologist and academic
1902: Eugene Wigner, Hungarian physicist and mathematician, Nobel Prize laureate
1917: Ruth Aaronson Bari, American mathematician
1922: Stanley Cohen, American biochemist
1942: István Rosztóczy, Hungarian-Japanese microbiologist and physician

Deceased
1776: James Ferguson, Scottish astronomer and instrument maker
1990: Robert Hofstadter, US Nobel Laureate in Physics
2000: Louis Néel, French physicist and academic, Nobel Prize laureate
2010: Giorgi Arsenishvili, Georgian mathematician and politician

Born in
1787: Louis Daguerre, French physicist and photographer, developed the daguerreotype
1810: Asa Gray, American botanist and academic
1832: Adolf Erik Nordenskiöld, Finnish-Swedish geologist and explorer

1839: August Kundt, German physicist
1844: Albert Wangerin, German mathematician
1897: Patrick Maynard Stuart Blackett, British physicist, Nobel Prize winner
1906: George Wald, American neurobiologist and academic, Nobel Prize laureate
1917: Beebe Steven Lynk, African-American chemist and author
1944: Edwin C. Krupp, American astronomer, archaeoastronomer, author, Director Griffith Observatory

Deceased
1441: Roger Bolingbroke, English cleric, astronomer, astrologer, magister and alleged necromancer
1941: Walther Nernst, German chemist, Nobel Prize 1920
1949: Elmer Ivan Applegate, US-American botanist
1962: Niels Bohr, Danish physicist, Nobel Prize winner
2004: Robert Bacher, American physicist and academic
2010: Brian Marsden, British astronomer

1807: Humphry Davy reports to the Royal Society about the successful production of potassium and sodium by electrolysis.

Born in
1700: Jean-Antoine Nollet, French priest and physicist
1711: Mikhail Lomonosov, Russian universal scholar
1834: Georg Hermann Quincke, German physicist and academic
1876: Tatjana Ehrenfest-Afanassjewa, Russian-Dutch physicist
1887: James Batcheller Sumner, American biochemist, Nobel Prize winner
1893: Anton Eduard van Arkel, Dutch chemist
1898: Arthur R. von Hippel, German-American physicist and academic
1900: Mikhail Lavrentyev, Russian mathematician and hydrodynamicist
1901: Nina Bari, Russian mathematician
1912: George Emil Palade, US biochemist, Nobel Prize winner
1915: Earl Wilbur Sutherland, Jr., American pharmacologist and biochemist, Nobel Prize laureate
1918: Hendrik Christoffel van de Hulst, Dutch physicist
1919: Curt Meyer, German mathematician
1932: Eleanor Helin, US-American astronomer
1935: Rashad Khalifa, Egyptian-US-American biochemist and religious scholar
1936: Yuan T. Lee, Taiwanese chemist
1939: Richard Zare, American chemist and academic

Deceased
1822: Johann Georg Tralles, German mathematician and physicist
1910: Wilhelm Rudolph Fittig, German chemist
1977: Chester Arthur Arnold, US-American palaeobotanist and botanist
2013: Frederick Sanger, British biochemist and two-time Nobel Prize winner

1928: The German Reichspost carries out the first trial broadcasts via its Königs Wusterhausen transmitter with the help of a Fultograph. It is thus testing a preliminary stage in the German history of television.
1984: The SETI Institute for the Search for Intelligent Extraterrestrial Life is founded.

Born in
1602: Otto von Guericke, German physicist and politician
1715: Pierre Charles Le Monnier, French astronomer
1737: Johann Jacob Ebert, German mathematician, poet and astronomer, journalist and author
1804: Friedrich Paschen, German geodesist and astronomer
1851: John Merle Coulter, American botanist
1867: Gustav Giemsa, German chemist and bacteriologist
1873: William Coblentz, American physicist
1889: Edwin Hubble, US-American astronomer
1892: James Collip, Canadian biochemist and academic, co-discovered insulin
1893: André Bloch, French mathematician
1894: Johann Nikuradse, Georgian-born German engineer and physicist
1917: Leonard Jimmie Savage, American mathematician
1924: Benoît Mandelbrot, French mathematician

Deceased
1704: Charles Plumier, French botanist, explorer and member of the Paulaner Order
1774: Georg Ludwig Alefeld, German physician and physicist
1856: Farkas Wolfgang Bolyai, Hungarian mathematician and poet
1866: Otto Karl Berg, German botanist and pharmacist
1882: Henry Draper, US-American astronomer
1908: Georgy Voronoy, Ukrainian mathematician and academic
1934: Willem de Sitter, Dutch mathematician, physicist, and astronomer
1938: Edwin Hall, American physicist
1945: Francis William Aston, English physicist and chemist, Nobel Prize in Chemistry

Translated with www.DeepL.com/Translator

1676: The Danish astronomer Ole Rømer presents his thesis to the Paris Académie des sciences that the speed of light is a finite quantity. He relies on observations of the eclipses of Jupiter's four moons.
1783: The first manned free-flying hot-air balloon of the Montgolfier brothers with the passengers Jean-François Pilâtre de Rozier and François d'Arlandes starts in Paris. The journey takes 25 minutes and takes you to the outskirts of Paris.

Born in
1824: Hieronymus Theodor Richter, German chemist and co-discoverer of the element indium
1868: Felix Mach, German agricultural chemist
1895: Josef Mattauch, German physicist
1913: Gunnar Kangro, Estonian mathematician, author, and academic
1931: Revaz Dogonadze, Georgian chemist and physicist
1933: Etta Zuber Falconer, American educator and mathematician

Deceased
1555: Georgius Agricola (with civil name Georg Bauer), German natural scientist and father of mineralogy, died in Chemnitz.
1652: Jan Brożek, Polish mathematician, physician, and astronomer
1775: John Hill, English botanist and author
1871: Johann Florian Heller, Austrian physician and chemist
1881: Ami Boué, German-Austrian geologist and ethnographer
1970: C. V. Raman, Indian physicist and academic, Nobel Prize laureate
1996: Abdus Salam, Pakistani physicist, first Muslim Nobel Prize winner

Born in
1830: Karl Christian Bruhns, German astronomer
1840: Émile Lemoine, French mathematician and engineer
1897: Paul Ahnert, German astronomer
1904: Louis Néel, French physicist, Nobel Prize winner

Deceased
1900: Otto Kersten, German African researcher, chemist and geographer
1944: Arthur Stanley Eddington, British physicist and astronomer
1998: Harry Lehmann, German physicist

1969: Jonathan Beckwith and his team succeed in isolating a single gene of the bacterial species Escherichia coli at Harvard University. This is a milestone in genetics.

Born in
1553: Prospero Alpini, Italian doctor and botanist
1718: Antoine Darquier de Pellepoix, French astronomer
1837:Johannes Diderik van der Waals, Dutch physicist and Nobel laureate (1910), born in Leiden, Germany
1853: Leo Anton Carl de Ball, German astronomer
1869: Valdemar Poulsen, Danish physicist and engineer
1887: Henry Moseley, British physicist
1925: Frederic Vester, German biochemist, environmental expert and author

Deceased
1746: Georg Wilhelm Steller, German natural scientist

1859: Charles Darwin publishes his theory of evolution with the work On the Origin of Species.

Born in
1909: Gerhard Gentzen, German mathematician
1925: Simon van der Meer, Dutch physicist
1926: Tsung-Dao Lee, Chinese physicist

Deceased
1824: Clarke Abel, British physician, natural scientist and botanist
1987: Hans Schubert, German mathematician

1610: Nicolas-Claude Fabri de Peiresc discovers the Orion Nebula
1915: Albert Einstein presents his General Theory of Relativity at the Prussian Academy of Sciences

Born in
1628: Andreas Concius, German mathematician
1814: Julius Robert von Mayer, German physician and physicist
1841: Ernst Schröder, German mathematician and logician
1844: Carl Benz, German engineer, automotive pioneer

Deceased
1869: Friedrich Adolph Roemer, German geologist, botanist and lawyer
1884: Adolph Wilhelm Hermann Kolbe, German chemist
1997: Richard M. Noyes, US-American chemist
1999: Pierre Bézier, French mathematician

1801: Charles Hatchett reports on the chemical element Columbium, which he discovered and which later receives the name niobium.
1922: Howard Carter and Lord Carnarvon enter the tomb of Pharaoh Tutankhamun for the first time.

Born in
1662: Georg Albrecht Hamberger, German mathematician and physicist
1864: Auguste Charlois, French astronomer
1894: Norbert Wiener, US-American mathematician
1898: Karl Ziegler, German chemist
1945: Enrico Arbarello, Italian mathematician

Deceased
1885: Thomas Andrews, Irish physicist and chemist

1826: The pharmacist John Walker invents the match, which burns irregularly and smells unpleasant.
1895: Alfred Nobel signs his will and bequeathes his assets to a foundation that today awards the Nobel Prizes.
1971: The Soviet spacecraft Mars 2 is the first terrestrial spacecraft to reach a marsorbit. However, due to disturbances, the probe was unable to successfully transmit data to Earth.

Born
1754: Johann Georg Adam Forster, German natural scientist and revolutionary
1831: Gustav Radde, German geographer and natural scientist
1903: Lars Onsager, US-American chemist

Deceased
1754: Abraham de Moivre, French mathematician
1852: Ada Lovelace, British mathematician
1944: Leonid Isaakowitsch Mandelstam, Russian physicist
1998: Rudolf Stössel, Swiss mathematician, physicist and specialist teacher, puppeteer, lyricist and harmonian

1660: Twelve scholars, among them Christopher Wren, William Petty, Robert Boyle and John Wilkins, decide to found a scientific society at Gresham College, the later Royal Society in London.

Born in
1896: Leonid Andrussow, German chemical engineer
1950: Russell Hulse, US-American physicist

Deceased
1925: Alfred Pérot, French physicist
1954:Enrico Fermi, Italian physicist, died in Chicago.
2010: Samuel Cohen, US-American physicist

Born in
1803: Christian Doppler, Austrian mathematician and physicist
1924: Arthur Peacocke, English biochemist and theologian

Deceased
1759: Nikolaus I. Bernoulli, Swiss mathematician and lawyer
1780: Hieronymus David Gaub, German physician and chemist

1609: Galileo Galilei observes the moon for the first time with his telescope and makes drawings of mountains, craters and oceans.

Born in
1602: Otto von Guericke, German politician, engineer and scientist
1858: Jagadish Chandra Bose, Indian physicist and botanist
1869: Nils Gustav Dalén, Swedish physicist
1915:Henry Taube, American chemist and Nobel Prize winner in chemistry (1983), in Neudorf (Canada)

Deceased
1746: Georg Wilhelm Steller, German natural scientist
1866:John Mercer, British chemist, in Oakenshaw
2015: Heinz Oberhummer, Austrian physicist