Template:Selected anniversaries/April 30: Difference between revisions

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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.


||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.
||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: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: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: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".


||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.
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]].
 
||Raghu Raj Bahadur (b. 30 April 1924) was an Indian statistician considered by peers to be "one of the architects of the modern theory of mathematical statistics". Pic.


||Orso Mario Corbino (d. 23 January 1937, Rome) was an Italian physicist and politician. Pic.
||1920: Gerda Hedwig Lerner born ... historian and author.


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".
||1921: Roger L. Easton born ... scientist, co-invented the GPS. Pic.


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]].
||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.


||Gerda Hedwig Lerner (b. April 30, 1920) was an Austrian-born American historian and author.
||1924: Raghu Raj Bahadur born ... statistician considered by peers to be "one of the architects of the modern theory of mathematical statistics". Pic.


||1921 – Roger L. Easton, American scientist, co-invented the GPS (d. 2014). 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.  
||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]].  
|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.  
||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: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]].

Revision as of 17:45, 31 January 2019

  • 1523: Mathematician and cartographer Oronce Finé uses Judicial astrology to detect and prevent crimes against astronomical constants.

    1523: Mathematician and cartographer Oronce Finé uses Judicial astrology to detect and prevent crimes against astronomical 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.

    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 by John Havelock, performed at theaters across Europe to rave reviews.

    1874: Scene from Gambling Den Fight adapted for opera by John Havelock, performed at theaters across Europe to rave reviews.

  • 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.

  • 1905: Albert Einstein writes his thesis Eine neue Bestimmung der Moleküldimensionen ("A New Determination of Molecular Dimensions").

    1905: Albert Einstein writes his thesis Eine neue Bestimmung der Moleküldimensionen ("A New Determination of Molecular Dimensions").

  • 1913: Nikola Tesla, Albert Einstein, and J. J. Thomson team up to defeat the combined forces of criminal mathematical functions Forbidden Ratio and Gnotilus.

    1913: Nikola Tesla, Albert Einstein, and J. J. Thomson team up to defeat the combined forces of criminal mathematical functions Forbidden Ratio and Gnotilus.

  • 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".

  • 1916: Jazz drummer and theoretical crime-fighter Albert Einstein stops the Forbidden Ratio from kidnapping newborn infant Claude Shannon.

    1916: Jazz drummer and theoretical crime-fighter Albert Einstein stops the Forbidden Ratio from kidnapping newborn infant Claude Shannon.

  • 1964: Electronics researcher and Gnomon algorithm theorist Ralph Hartley uses the Hartley oscillator to detect and erase the Forbidden Ratio.

    1964: Electronics researcher and Gnomon algorithm theorist Ralph Hartley uses the Hartley oscillator to detect and erase the Forbidden Ratio.

  • 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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