Template:Selected anniversaries/July 29: Difference between revisions

Revision as of 07:15, 1 September 2018

1654: Pascal wrote to Fermat, questioning his solution to the 'problem of the points,' a probability problem.
1781: Astronomer and mathematician Johann Kies dies. He was one of the first to propagate Isaac Newton's discoveries in Germany, and dedicated two of his works to the Englishman.
1840: Mathematician and crime-fighter George Boole develops new system of symbolic logic which assists mathematicians in the detection and prevention of crimes against mathematical constants.
1932: In Washington, D.C., troops disperse the last of the "Bonus Army" of World War I veterans.
1976: Dard Hunter, Glyph Warden "inspired a generation of cryptographers," says actor-cryptographer Niles Cartouchian.

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 File:Johannes Kies.jpg|link=Johann Kies (nonfiction)|1781: Astronomer and mathematician [[Johann Kies (nonfiction)|Johann Kies]] dies. He was one of the first to propagate Isaac Newton's discoveries in Germany, and dedicated two of his works to the Englishman.
+||1796: Walter Hunt born ... mechanic. He was born in Martinsburg, New York. Through the course of his work he became renowned for being a prolific inventor, notably of the lockstitch sewing machine, safety pin, a forerunner of the Winchester repeating rifle, a successful flax spinner, knife sharpener, streetcar bell, hard-coal-burning stove, artificial stone, street sweeping machinery, and the ice plough. Pic.
 ||1801: George Bradshaw born ... cartographer and publisher.