Template:Selected anniversaries/April 30: Difference between revisions

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|| *** DONE: Pics ***
File:Oronce Finé.jpg|link=Oronce Finé (nonfiction)|1523: Mathematician and cartographer [[Oronce Finé (nonfiction)|Oronce Finé]] uses [[Judicial astrology (nonfiction)|Judicial astrology]] to detect and prevent [[crimes against astronomical constants]].
||1696: Robert Plot dies ... naturalist, first Professor of Chemistry at the University of Oxford, and the first keeper of the Ashmolean Museum. Pic.
||1755: Jean-Baptiste Oudry dies ... painter and engraver. 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.
||1865: Robert FitzRoy dies ... captain, meteorologist, and politician, 2nd Governor of New Zealand ... "forecasts". Pic.
File:Gambling Den Fight.jpg|link=Gambling Den Fight|1874: Scene from ''[[Gambling Den Fight]]'' adapted for opera by [[John Havelock]], performed at theaters across Europe to rave reviews.
||1876: Orso Mario Corbino born ... physicist and politician. Pic.


File:J_J_Thomson.jpg|link=J. J. Thomson (nonfiction)|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.
File:J_J_Thomson.jpg|link=J. J. Thomson (nonfiction)|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.


||1904: George Robert Stibitz born ... Bell Labs researcher internationally recognized as one of the fathers of the modern first digital computer. He was known for his work in the 1930s and 1940s on the realization of Boolean logic digital circuits using electromechanical relays as the switching element. Pic.
File:Genevieve_Grotjan_Feinstein.jpg|link=Genevieve Grotjan Feinstein (nonfiction)|1913: Mathematician and cryptanalyst [[Genevieve Grotjan Feinstein (nonfiction)|Genevieve Grotjan Feinstein]] born. Feinstein will work for the Signals Intelligence Service throughout World War II, playing an important role in deciphering the Japanese cryptography machine Purple, and will later work on the Cold War-era Venona project.
 
||1905: Sergey Mikhailovich Nikolsky born ... 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").
 
File:Tesla with ray gun.jpg|link=Nikola Tesla|1913: [[Nikola Tesla]], [[Albert Einstein]], and [[J. J. Thomson (nonfiction)|J. J. Thomson]] team up to defeat the combined forces of criminal mathematical functions [[Forbidden Ratio]] and [[Gnotilus]].


File:Claude Shannon.jpg|link=Claude Shannon (nonfiction)|1916: Mathematician, engineer, and information scientist [[Claude Shannon (nonfiction)|Claude Shannon]] born. He will be  known as "the father of information theory".
File:Claude Shannon.jpg|link=Claude Shannon (nonfiction)|1916: Mathematician, engineer, and information scientist [[Claude Shannon (nonfiction)|Claude Shannon]] born. He will be  known as "the father of information theory".
File:Einstein drumming.jpg|link=Albert Einstein|1916: Jazz drummer and theoretical crime-fighter [[Albert Einstein]] stops the [[Forbidden Ratio]] from kidnapping newborn infant [[Claude Shannon (nonfiction)|Claude Shannon]].
||1920: Gerda Lerner born ... historian and author. Pic.
||1921: Roger L. Easton born ... scientist, co-invented the GPS. Pic.
||1924: Erhard Heinz born ... mathematician known for his work on partial differential equations, in particular the Monge–Ampère equation. In 1994 he was awarded the Cantor medal. Pic.
||1924: Raghu Raj Bahadur born ... statistician considered by peers to be "one of the architects of the modern theory of mathematical statistics". Pic.
||1937: Orso Mario Corbino dies ... physicist and politician. 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 chemical constants]].
||1961: K-19, the first Soviet nuclear submarine equipped with nuclear missiles, is commissioned.
File:Ralph Hartley.jpg|link=Ralph Hartley (nonfiction)|1964:  Electronics researcher and Gnomon algorithm theorist [[Ralph Hartley (nonfiction)|Ralph Hartley]] uses the Hartley oscillator to detect and erase the [[Forbidden Ratio]].


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.
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.
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||1998: Edwin Thompson Jaynes dies ... 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. Pic.
{{Template:Categories: April 30}}
 
||2011: Ernesto Sabato dies ... physicist, author, and painter. Pic.
 
||2011: Daniel Quillen dies ... mathematician. He is known for being the "prime architect" of higher algebraic K-theory, for which he was awarded the Cole Prize in 1975 and the Fields Medal in 1978. Pic: https://ronsview.org/2011/05/10/daniel-quillen/
 
||2016: Sir Harold Walter Kroto FRS dies ... chemist. He shared the 1996 Nobel Prize in Chemistry with Robert Curl and Richard Smalley for their discovery of fullerenes.  Pic.
 
||2018: Mathematician Anatole Katok dies. Katok was the Director of the Center for Dynamics and Geometry at the Pennsylvania State University. His field of research was the theory of dynamical systems. Pic.
 
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Latest revision as of 07:18, 30 April 2024

  • 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.

    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.

  • 1897: 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.

    1897: 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.

  • 1913: Mathematician and cryptanalyst Genevieve Grotjan Feinstein born. Feinstein will work for the Signals Intelligence Service throughout World War II, playing an important role in deciphering the Japanese cryptography machine Purple, and will later work on the Cold War-era Venona project.

    1913: Mathematician and cryptanalyst Genevieve Grotjan Feinstein born. Feinstein will work for the Signals Intelligence Service throughout World War II, playing an important role in deciphering the Japanese cryptography machine Purple, and will later work on the Cold War-era Venona project.

  • 1916: Mathematician, engineer, and information scientist Claude Shannon born. He will be known as "the father of information theory".

    1916: Mathematician, engineer, and information scientist Claude Shannon born. He will be known as "the father of information theory".

  • 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.

    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.

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