Template:Selected anniversaries/July 29: Difference between revisions
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|| *** THEME: Cartographers *** | |||
||1507: Martin Behaim dies ... navigator and geographer, best known for his Erdapfel, the world's oldest surviving globe, which he produced for the Imperial City of Nuremberg in 1492. Pic. | |||
File:Blaise Pascal.jpg|link=Blaise Pascal (nonfiction)|1654: [[Blaise Pascal (nonfiction)|Pascal]] wrote to [[Pierre de Fermat (nonfiction)|Fermat]], questioning his solution to the 'problem of the points,' a probability problem. | File:Blaise Pascal.jpg|link=Blaise Pascal (nonfiction)|1654: [[Blaise Pascal (nonfiction)|Pascal]] wrote to [[Pierre de Fermat (nonfiction)|Fermat]], questioning his solution to the 'problem of the points,' a probability problem. | ||
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||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. | ||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. | ||1801: George Bradshaw born ... cartographer, printer and publisher. He developed Bradshaw's Guide, a widely sold series of combined railway guides and timetables. Pic. | ||
||1805: Alexis de Tocqueville born ... historian and philosopher. | ||1805: Alexis de Tocqueville born ... historian and philosopher. Pic. | ||
||1839: Gaspard de Prony dies ... mathematician and engineer. | ||1839: Gaspard de Prony dies ... mathematician and engineer, worked on hydraulics. Pic. | ||
File:George Boole.jpg|link=George Boole (nonfiction)|1840: Mathematician and crime-fighter [[George Boole (nonfiction)|George Boole]] develops new system of symbolic logic which assists mathematicians in the detection and prevention of [[crimes against mathematical constants]]. | File:George Boole.jpg|link=George Boole (nonfiction)|1840: Mathematician and crime-fighter [[George Boole (nonfiction)|George Boole]] develops new system of symbolic logic which assists mathematicians in the detection and prevention of [[crimes against mathematical constants]]. | ||
Revision as of 08:17, 6 October 2019
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.
1996: Mathematician and Doctor of Medicine Marcel-Paul Schützenberger dies. Schützenberger contributed to the fields of formal language, combinatorics, and information theory.
2015: Tractor voted Picture of the Day by the citizens of New Minneapolis, Canada.
