Template:Selected anniversaries/October 13: Difference between revisions

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||1918: Marcel Deprez dies ... electrical engineer. Pic.
||1918: Marcel Deprez dies ... electrical engineer. Pic.


||1938: E. C. Segar dies ... cartoonist, created Popeye.
||1938: E. C. Segar dies ... cartoonist, created Popeye. Pic.


||1941: David Devant dies ... magician, shadowgraphist and film exhibitor. He is regarded by magicians as a consummate exponent of suave and witty presentation of stage illusion. Pic.
||1941: David Devant dies ... magician, shadowgraphist and film exhibitor. He is regarded by magicians as a consummate exponent of suave and witty presentation of stage illusion. Pic.

Revision as of 07:05, 8 December 2019

  • 1597: Astronomer Johannes Kepler replied to Galileo's letter of 4 August, 1597, urging him to be bold and proceed openly in his advocacy of Copernicanism.

    1597: Astronomer Johannes Kepler replied to Galileo's letter of 4 August, 1597, urging him to be bold and proceed openly in his advocacy of Copernicanism.

  • 1687: Astronomer, lens-maker, and academic Geminiano Montanari dies. He made the observation that Algol in the constellation of Perseus varies in brightness.

    1687: Astronomer, lens-maker, and academic Geminiano Montanari dies. He made the observation that Algol in the constellation of Perseus varies in brightness.

  • 1715: Priest and philosopher Nicolas Malebranche dies. He was instrumental in introducing and disseminating the work of René Descartes and Gottfried Wilhelm Leibniz in France.

    1715: Priest and philosopher Nicolas Malebranche dies. He was instrumental in introducing and disseminating the work of René Descartes and Gottfried Wilhelm Leibniz in France.

  • 1729: Leonhard Euler mentions the gamma function in a letter to Christian Goldbach. Adrien-Marie Legendre gave the function its symbol and name in 1826.

    1729: Leonhard Euler mentions the gamma function in a letter to Christian Goldbach. Adrien-Marie Legendre gave the function its symbol and name in 1826.

  • 1772: Using the San Pietro scrying engine, astronomer Charles Messier previews his discovery of a "galactic whirlpool" with a temporal accuracy of "within a year".

    1772: Using the San Pietro scrying engine, astronomer Charles Messier previews his discovery of a "galactic whirlpool" with a temporal accuracy of "within a year".

  • 1773: The Whirlpool Galaxy is discovered by Charles Messier.

    1773: The Whirlpool Galaxy is discovered by Charles Messier.

  • 1774: The Custodian prevents the Whirlpool Galaxy Gang from committing crimes against astronomical constants, citing the gang's "expired transdimensional corporate license."

    1774: The Custodian prevents the Whirlpool Galaxy Gang from committing crimes against astronomical constants, citing the gang's "expired transdimensional corporate license."

  • 1890: Mathematician Georg Feigl born. He will work on the foundations of geometry and topology, studying fixed point theorems for n-dimensional manifolds. Feigl will be one of the initial authors of the Mathematisches Wörterbuch.

    1890: Mathematician Georg Feigl born. He will work on the foundations of geometry and topology, studying fixed point theorems for n-dimensional manifolds. Feigl will be one of the initial authors of the Mathematisches Wörterbuch.

  • 1987: Physicist and academic Walter Houser Brattain dies. He shared the Nobel Prize in Physics in 1956 "for research on semiconductors and the discovery of the transistor effect."

    1987: Physicist and academic Walter Houser Brattain dies. He shared the Nobel Prize in Physics in 1956 "for research on semiconductors and the discovery of the transistor effect."

  • 1989: Lorenz system develops self-awareness, experiences irrational fear of the number thirteen.

    1989: Lorenz system develops self-awareness, experiences irrational fear of the number thirteen.

  • 2018: Signed first edition of Red Spiral 2 used in high-energy literature experiment unexpectedly develops artificial intelligence.

    2018: Signed first edition of Red Spiral 2 used in high-energy literature experiment unexpectedly develops artificial intelligence.

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