Template:Selected anniversaries/April 1: Difference between revisions

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||1971: Kathleen Lonsdale dies ... crystallographer who proved, in 1929, that the benzene ring is flat by using X-ray diffraction methods to elucidate the structure of hexamethylbenzene. She was the first to use Fourier spectral methods while solving the structure of hexachlorobenzene in 1931. Pic.
||1971: Kathleen Lonsdale dies ... crystallographer who proved, in 1929, that the benzene ring is flat by using X-ray diffraction methods to elucidate the structure of hexamethylbenzene. She was the first to use Fourier spectral methods while solving the structure of hexachlorobenzene in 1931. Pic.
File:John Hadji Argyris.jpg|link=John Argyris (nonfiction)|1972: Computer scientist, engineer, and [[APTO]] field engineer [[John Argyris (nonfiction)|John Argyris]] visits the [[Nested Radical]] coffeehouse in [[New Minneapolis, Canada]], where he gives an impromptu lecture on applications of the finite element method in [[Gnomon algorithm]] research.


File:Robin Farquharson.jpg|link=Robin Farquharson (nonfiction)|1973: Mathematician [[Robin Farquharson (nonfiction)|Robin Farquharson]] dies. Farquharson wrote an influential analysis of voting systems in his doctoral thesis, later published as ''Theory of Voting''.
File:Robin Farquharson.jpg|link=Robin Farquharson (nonfiction)|1973: Mathematician [[Robin Farquharson (nonfiction)|Robin Farquharson]] dies. Farquharson wrote an influential analysis of voting systems in his doctoral thesis, later published as ''Theory of Voting''.
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File:Genesis spacecraft in collection mode.jpg|link=Genesis (spacecraft) (nonfiction)|2004: After collecting solar wind particles for 850 days, the ''[[Genesis (spacecraft) (nonfiction)|Genesis]]'' ends its collection process. The ''Genesis'' return capsule will crash land in Utah on September 8, 2004, after a design flaw prevents the deployment of its drogue parachute.  
File:Genesis spacecraft in collection mode.jpg|link=Genesis (spacecraft) (nonfiction)|2004: After collecting solar wind particles for 850 days, the ''[[Genesis (spacecraft) (nonfiction)|Genesis]]'' ends its collection process. The ''Genesis'' return capsule will crash land in Utah on September 8, 2004, after a design flaw prevents the deployment of its drogue parachute.  
File:Eye Foot.jpg|link=Eye Foot (nonfiction)|2016: Chromatographic analysis of ''[[Eye Foot (nonfiction)|Eye Foot]]'' reveals "at leave five hundred and twelve" previously unknown shades of gray.


File:Tan Lei.jpg|link=Tan Lei (nonfiction)|2016: Mathematician [[Tan Lei (nonfiction)|Tan Lei]] dies.  Tan Lei specialized in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.
File:Tan Lei.jpg|link=Tan Lei (nonfiction)|2016: Mathematician [[Tan Lei (nonfiction)|Tan Lei]] dies.  Tan Lei specialized in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.


File:Cantor Parabola.jpg|link=Cantor Parabola|2018: Math photographer [[Cantor Parabola]] attends Minicon 53, taking a series of photographs with temporal superimpositions from Minicons 52 and 54.


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Revision as of 20:47, 26 January 2022

  • 1776: Mathematician, physicist, and philosopher Sophie Germain born. Germain's work on Fermat's Last Theorem will provide a foundation for mathematicians exploring the subject for hundreds of years after.

    1776: Mathematician, physicist, and philosopher Sophie Germain born. Germain's work on Fermat's Last Theorem will provide a foundation for mathematicians exploring the subject for hundreds of years after.

  • 1898: Mathematician and anthropologist William James Sidis born. Sidis will become famous first for his precocity and later for his eccentricity and withdrawal from public life.

    1898: Mathematician and anthropologist William James Sidis born. Sidis will become famous first for his precocity and later for his eccentricity and withdrawal from public life.

  • 1973: Mathematician Robin Farquharson dies. Farquharson wrote an influential analysis of voting systems in his doctoral thesis, later published as Theory of Voting.

    1973: Mathematician Robin Farquharson dies. Farquharson wrote an influential analysis of voting systems in his doctoral thesis, later published as Theory of Voting.

  • 2003: Steve Bellovin publishes Request for Comment 5314, subsequently known as the evil bit protocol, a humorous April Fool's Day proposal.

    2003: Steve Bellovin publishes Request for Comment 5314, subsequently known as the evil bit protocol, a humorous April Fool's Day proposal.

  • 2004: After collecting solar wind particles for 850 days, the Genesis ends its collection process. The Genesis return capsule will crash land in Utah on September 8, 2004, after a design flaw prevents the deployment of its drogue parachute.

    2004: After collecting solar wind particles for 850 days, the Genesis ends its collection process. The Genesis return capsule will crash land in Utah on September 8, 2004, after a design flaw prevents the deployment of its drogue parachute.

  • 2016: Mathematician Tan Lei dies. Tan Lei specialized in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.

    2016: Mathematician Tan Lei dies. Tan Lei specialized in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.

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