Template:Selected anniversaries/February 13

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

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

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

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

  • 1835: Mathematician, scholar, and alleged time-traveller Niles Cartouchian helps mathematician Peter Dirichlet break up the Forbidden Ratio gang.

    1835: Mathematician, scholar, and alleged time-traveller Niles Cartouchian helps mathematician Peter Dirichlet break up the Forbidden Ratio 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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