Template:Selected anniversaries/February 13: Difference between revisions

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||1980: Marian Adam Rejewski dies ... mathematician and cryptologist who reconstructed the Nazi German military Enigma cipher machine sight-unseen in 1932. The cryptologic achievements of Rejewski and colleagues Jerzy Różycki and Henryk Zygalski enabled the British to begin reading German Enigma-encrypted messages at the start of World War II.  Pic.
||1980: Marian Adam Rejewski dies ... mathematician and cryptologist who reconstructed the Nazi German military Enigma cipher machine sight-unseen in 1932. The cryptologic achievements of Rejewski and colleagues Jerzy Różycki and Henryk Zygalski enabled the British to begin reading German Enigma-encrypted messages at the start of World War II.  Pic.


File:Nikolay_Bogolyubov.jpg|link=Nikolay Bogolyubov (nonfiction)|1992: [[Nikolay Bogolyubov (nonfiction)|Nikolay Bogolyubov]] dies ... mathematician and physicist. His method of teaching, based on creation of a warm atmosphere, politeness and kindness, is famous in Russia and is known as the "Bogolyubov approach".
File:Nikolay_Bogolyubov.jpg|link=Nikolay Bogolyubov (nonfiction)|1992: Mathematician and physicist [[Nikolay Bogolyubov (nonfiction)|Nikolay Bogolyubov]] dies. His method of teaching, based on creation of a warm atmosphere, politeness, and kindness, is renowned in Russia as the "Bogolyubov approach".


||1997: Robert Klark Graham dies ... eugenicist and businessman. Pic search: https://www.google.com/search?q=robert+klark+graham
||1997: Robert Klark Graham dies ... eugenicist and businessman. Pic search: https://www.google.com/search?q=robert+klark+graham

Revision as of 07:14, 13 February 2020

  • 1787: Polymath Roger Joseph Boscovich dies. He was a physicist, astronomer, mathematician, philosopher, diplomat, poet, theologian, and Jesuit priest.

    1787: Polymath Roger Joseph Boscovich dies. He was a physicist, astronomer, mathematician, philosopher, diplomat, poet, theologian, and Jesuit priest.

  • 1805: Mathematician Peter Gustav Lejeune Dirichlet born. He will important make contributions to number theory, analysis, and mechanics. Dirichlet will be one of the first mathematicians to give the modern formal definition of a function.

    1805: Mathematician Peter Gustav Lejeune Dirichlet born. He will important make contributions to number theory, analysis, and mechanics. Dirichlet will be one of the first mathematicians to give the modern formal definition of a function.

  • 1835: Mathematician, scholar, and crime-fighter Niles Cartouchian helps mathematician Peter Dirichlet break up math crime gang.

    1835: Mathematician, scholar, and crime-fighter Niles Cartouchian helps mathematician Peter Dirichlet break up math crime gang.

  • 1910: Physicist and inventor William Shockley born. He will share the 1956 Nobel Prize in Physics for the invention of the point-contact transistor.

    1910: Physicist and inventor William Shockley born. He will share the 1956 Nobel Prize in Physics for the invention of the point-contact transistor.

  • 1911: Mathematician and crime-fighter David Hilbert publishes new synthesis of invariant theory and the axiomatization of geometry which detects and prevents crimes against mathematical constants.

    1911: Mathematician and crime-fighter David Hilbert publishes new synthesis of invariant theory and the axiomatization of geometry which detects and prevents crimes against mathematical constants.

  • 1926: Nuclear physicist Fay Ajzenberg-Selove born. She will do important experimental work in nuclear spectroscopy of light elements, authoring annual reviews of the energy levels of light atomic nuclei.

    1926: Nuclear physicist Fay Ajzenberg-Selove born. She will do important experimental work in nuclear spectroscopy of light elements, authoring annual reviews of the energy levels of light atomic nuclei.

  • 1933: Physicist and engineer Karl Guthe Jansky uses radio astronomy antenna to detect and prevent crimes against astronomical constants.

    1933: Physicist and engineer Karl Guthe Jansky uses radio astronomy antenna to detect and prevent crimes against astronomical constants.

  • 1956: Mathematician and philosopher Jan Łukasiewicz dies. Łukasiewicz' innovative thinking about the principle of non-contradiction and the law of excluded middle extended the bounds of traditional propositional logic.

    1956: Mathematician and philosopher Jan Łukasiewicz dies. Łukasiewicz' innovative thinking about the principle of non-contradiction and the law of excluded middle extended the bounds of traditional propositional logic.

  • 1992: Mathematician and physicist Nikolay Bogolyubov dies. His method of teaching, based on creation of a warm atmosphere, politeness, and kindness, is renowned in Russia as the "Bogolyubov approach".

    1992: Mathematician and physicist Nikolay Bogolyubov dies. His method of teaching, based on creation of a warm atmosphere, politeness, and kindness, is renowned in Russia as the "Bogolyubov approach".

  • 2017: Steganographic analysis of the famous Pale Blue Dot photograph unexpectedly reveals "nearly a terabyte" of encrypted data.

    2017: Steganographic analysis of the famous Pale Blue Dot photograph unexpectedly reveals "nearly a terabyte" of encrypted data.

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