Template:Selected anniversaries/April 1: Difference between revisions

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||1640: Georg Mohr born ... mathematician and academic ... More was the first to prove the Mohr–Mascheroni theorem, which states that any geometric construction which can be done with compass and straightedge can also be done with compasses alone. Pic search book cover: https://www.google.com/search?q=georg+mohr
||1640: Georg Mohr born ... mathematician and academic ... More was the first to prove the Mohr–Mascheroni theorem, which states that any geometric construction which can be done with compass and straightedge can also be done with compasses alone. Pic search book cover: https://www.google.com/search?q=georg+mohr


File:Sophie Germain.jpg|link=Sophie Germain (nonfiction)|1776: Mathematician, physicist, and philosopher [[Sophie Germain (nonfiction)|Sophie Germain]] born. Her work on Fermat's Last Theorem will a foundation for mathematicians exploring the subject for hundreds of years after.
File:Sophie Germain.jpg|link=Sophie Germain (nonfiction)|1776: Mathematician, physicist, and philosopher [[Sophie Germain (nonfiction)|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.


||1791: William Snow Harris born ... physician and electrical researcher, nicknamed Thunder-and-Lightning Harris, and noted for his invention of a successful system of lightning conductors for ships. It took many years of campaigning, research and successful testing before the British Royal Navy changed to Harris's conductors from their previous less effective system. One of the successful test vessels was HMS Beagle which survived lightning strikes unharmed on her famous voyage with Charles Darwin. Pic: ''Beagle''.
||1791: William Snow Harris born ... physician and electrical researcher, nicknamed Thunder-and-Lightning Harris, and noted for his invention of a successful system of lightning conductors for ships. It took many years of campaigning, research and successful testing before the British Royal Navy changed to Harris's conductors from their previous less effective system. One of the successful test vessels was HMS Beagle which survived lightning strikes unharmed on her famous voyage with Charles Darwin. Pic: ''Beagle''.
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||1895: Mathematician Alexander Craig "Alec" Aitken born.  He introduced the concept of generalized least squares, along with now standard vector/matrix notation for the linear regression model. Pic.
||1895: Mathematician Alexander Craig "Alec" Aitken born.  He introduced the concept of generalized least squares, along with now standard vector/matrix notation for the linear regression model. Pic.


File:William James Sidis 1914.jpg|link=William James Sidis (nonfiction)|1898: Mathematician and anthropologist [[William James Sidis (nonfiction)|William James Sidis]] born. He will become famous first for his precocity and later for his eccentricity and withdrawal from public life.  
File:William James Sidis 1914.jpg|link=William James Sidis (nonfiction)|1898: Mathematician and anthropologist [[William James Sidis (nonfiction)|William James Sidis]] born. Sidis will become famous first for his precocity and later for his eccentricity and withdrawal from public life.  


||1901: François-Marie Raoult dies ... chemist who conducted research into the behavior of solutions, especially their physical properties. Pic.
||1901: François-Marie Raoult dies ... chemist who conducted research into the behavior of solutions, especially their physical properties. Pic.
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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: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. He 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''.


File:Yael_Dowker.jpg|link=Yael Dowker (nonfiction)|1974: Mathematician and crime-fighter [[Yael Dowker (nonfiction)|Yael Dowker]] uses measure theory, ergodic theory, and topological dynamics to detect and prevent [[crimes against mathematical constants]].
File:Yael_Dowker.jpg|link=Yael Dowker (nonfiction)|1974: Mathematician and crime-fighter [[Yael Dowker (nonfiction)|Yael Dowker]] uses measure theory, ergodic theory, and topological dynamics to detect and prevent [[crimes against mathematical constants]].
Line 70: Line 70:
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: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.  She 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.
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 22:44, 1 April 2020

  • 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.

  • 1891: Inventor and crime-fighter Herman Hollerith uses his punched card analyzer to track down and delete the criminal artificial intelligence Killer Poke.

    1891: Inventor and crime-fighter Herman Hollerith uses his punched card analyzer to track down and delete the criminal artificial intelligence Killer Poke.

  • 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.

  • 1972: Computer scientist, engineer, and APTO field engineer 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.

    1972: Computer scientist, engineer, and APTO field engineer 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.

  • 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.

  • 1974: Mathematician and crime-fighter Yael Dowker uses measure theory, ergodic theory, and topological dynamics to detect and prevent crimes against mathematical constants.

    1974: Mathematician and crime-fighter Yael Dowker uses measure theory, ergodic theory, and topological dynamics to detect and prevent crimes against mathematical constants.

  • 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: Chromatographic analysis of Eye Foot reveals "at leave five hundred and twelve" previously unknown shades of gray.

    2016: Chromatographic analysis of Eye Foot reveals "at leave five hundred and twelve" previously unknown shades of gray.

  • 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.

  • 2018: Math photographer Cantor Parabola attends Minicon 53, taking a series of photographs with temporal superimpositions from Minicons 52 and 54.

    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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