Template:Selected anniversaries/April 30: Difference between revisions
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File:Oronce Finé.jpg|link=Oronce Finé (nonfiction)|1523: Mathematician and cartographer [[Oronce Finé (nonfiction)|Oronce Finé]] uses [[Judicial astrology (nonfiction)]] to detect and prevent [[crimes against mathematical constants]]. | File:Oronce Finé.jpg|link=Oronce Finé (nonfiction)|1523: Mathematician and cartographer [[Oronce Finé (nonfiction)|Oronce Finé]] uses [[Judicial astrology (nonfiction)]] to detect and prevent [[crimes against mathematical constants]]. | ||
||Robert Plot (d. 30 April 1696) was an English naturalist, first Professor of Chemistry at the University of Oxford, and the first keeper of the Ashmolean Museum. Pic. | |||
File:Carl Friedrich Gauss 1840 by Jensen.jpg|link=Carl Friedrich Gauss (nonfiction)|1777: Mathematician, astronomer, and physicist [[Carl Friedrich Gauss (nonfiction)|Carl Friedrich Gauss]] born. He will have an exceptional influence in many fields of mathematics and science and be ranked as one of history's most influential mathematicians. | File:Carl Friedrich Gauss 1840 by Jensen.jpg|link=Carl Friedrich Gauss (nonfiction)|1777: Mathematician, astronomer, and physicist [[Carl Friedrich Gauss (nonfiction)|Carl Friedrich Gauss]] born. He will have an exceptional influence in many fields of mathematics and science and be ranked as one of history's most influential mathematicians. | ||
File:Gambling Den Fight.jpg|link=Gambling Den Fight|1874: Scene from ''[[Gambling Den Fight]]'' adapted for opera, performed at theaters across Europe to rave reviews. | File:Gambling Den Fight.jpg|link=Gambling Den Fight|1874: Scene from ''[[Gambling Den Fight]]'' adapted for opera, performed at theaters across Europe to rave reviews. | ||
||1876 – Orso Mario Corbino, Italian physicist and politician (d. 1937). Pic. | |||
||1897 – [[J. J. Thomson (nonfiction)|J. J. Thomson]] of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London. | |||
||Sergey Mikhailovich Nikolsky (b. 30 April 1905) was a Russian mathematician. Nikolsky made fundamental contributions to functional analysis, approximation of functions, quadrature formulas, enclosed functional spaces and their applications to variational solutions of partial differential equations. Pic. | ||Sergey Mikhailovich Nikolsky (b. 30 April 1905) was a Russian mathematician. Nikolsky made fundamental contributions to functional analysis, approximation of functions, quadrature formulas, enclosed functional spaces and their applications to variational solutions of partial differential equations. Pic. | ||
File:Albert Einstein 1921.jpg|link=Albert Einstein (nonfiction)|1905: [[Albert Einstein (nonfiction)|Albert Einstein]] writes his thesis Eine neue Bestimmung der Moleküldimensionen ("A New Determination of Molecular Dimensions"). | |||
||Erhard Heinz (b. 30 April 1924) was a German mathematician known for his work on partial differential equations, in particular the Monge–Ampère equation. In 1994 he was awarded the Cantor medal. Pic. | ||Erhard Heinz (b. 30 April 1924) was a German mathematician known for his work on partial differential equations, in particular the Monge–Ampère equation. In 1994 he was awarded the Cantor medal. Pic. | ||
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||Gerda Hedwig Lerner (b. April 30, 1920) was an Austrian-born American historian and author. | ||Gerda Hedwig Lerner (b. April 30, 1920) was an Austrian-born American historian and author. | ||
||1921 – Roger L. Easton, American scientist, co-invented the GPS (d. 2014). Pic. | |||
||1943 – World War II: The British submarine HMS Seraph surfaces near Huelva to cast adrift a dead man dressed as a courier and carrying false invasion plans. | |||
File:Glenn Seaborg.jpg|link=Glenn T. Seaborg (nonfiction)|1961: Chemist [[Glenn T. Seaborg (nonfiction)|Glenn T. Seaborg]] discovers new hydrogen isotope with important applications in the diagnosis and treatment of [[crimes against mathematical constants]]. | File:Glenn Seaborg.jpg|link=Glenn T. Seaborg (nonfiction)|1961: Chemist [[Glenn T. Seaborg (nonfiction)|Glenn T. Seaborg]] discovers new hydrogen isotope with important applications in the diagnosis and treatment of [[crimes against mathematical constants]]. | ||
||1961 – K-19, the first Soviet nuclear submarine equipped with nuclear missiles, is commissioned. | |||
File:Nixon April-29-1974.jpg|link=Watergate scandal (nonfiction)|1973: [[Watergate scandal (nonfiction)|Watergate]]: U.S. President Richard Nixon announces that White House Counsel John Dean has been fired and that other top aides, most notably H. R. Haldeman and John Ehrlichman, have resigned. | |||
||1993 – CERN announces World Wide Web protocols will be free. | |||
||Edwin Thompson Jaynes (d. April 30, 1998) was the Wayman Crow Distinguished Professor of Physics at Washington University in St. Louis. He wrote extensively on statistical mechanics and on foundations of probability and statistical inference, initiating in 1957 the MaxEnt interpretation of thermodynamics, as being a particular application of more general Bayesian/information theory techniques (although he argued this was already implicit in the works of Gibbs). Jaynes strongly promoted the interpretation of probability theory as an extension of logic. | ||Edwin Thompson Jaynes (d. April 30, 1998) was the Wayman Crow Distinguished Professor of Physics at Washington University in St. Louis. He wrote extensively on statistical mechanics and on foundations of probability and statistical inference, initiating in 1957 the MaxEnt interpretation of thermodynamics, as being a particular application of more general Bayesian/information theory techniques (although he argued this was already implicit in the works of Gibbs). Jaynes strongly promoted the interpretation of probability theory as an extension of logic. | ||
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Revision as of 15:44, 1 April 2018
1523: Mathematician and cartographer Oronce Finé uses Judicial astrology (nonfiction) to detect and prevent crimes against mathematical constants.
1777: Mathematician, astronomer, and physicist Carl Friedrich Gauss born. He will have an exceptional influence in many fields of mathematics and science and be ranked as one of history's most influential mathematicians.
1874: Scene from Gambling Den Fight adapted for opera, performed at theaters across Europe to rave reviews.
1905: Albert Einstein writes his thesis Eine neue Bestimmung der Moleküldimensionen ("A New Determination of Molecular Dimensions").
1916: Mathematician, engineer, and information scientist Claude Shannon born.
1961: Chemist Glenn T. Seaborg discovers new hydrogen isotope with important applications in the diagnosis and treatment of crimes against mathematical constants.
1973: Watergate: U.S. President Richard Nixon announces that White House Counsel John Dean has been fired and that other top aides, most notably H. R. Haldeman and John Ehrlichman, have resigned.