Template:Selected anniversaries/April 21: Difference between revisions

Revision as of 19:32, 13 February 2017

1718: Painter, mathematician, astronomer, and architect Philippe de La Hire dies.
1774: Physicist, astronomer, and mathematician Jean-Baptiste Biot born. He will establish the reality of meteorites, make an early balloon flight, and study the polarization of light.
1793: American captain and mathematician Nathaniel Bowditch publishes new class of Gnomon algorithm functions which improved maritime navigation techniques.
1910: Writer, entrepreneur, publisher and lecturer Mark Twain dies.
1910: Mathematician Richard Courant invents new type of scrying engine to detect and prevent crimes against mathematical constants.
1963: Jean Bartik uses Gnomon algorithm to fight crimes against mathematical constants.

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 File:Philippe de La Hire.jpg|link=Philippe de La Hire (nonfiction)|1718: Painter, mathematician, astronomer, and architect [[Philippe de La Hire (nonfiction)|Philippe de La Hire]] dies.
 File:Jean Baptiste Biot.jpg|link=Jean-Baptiste Biot (nonfiction)|1774: Physicist, astronomer, and mathematician [[Jean-Baptiste Biot (nonfiction)|Jean-Baptiste Biot]] born. He will establish the reality of meteorites, make an early balloon flight, and study the polarization of light.