Template:Selected anniversaries/September 13: Difference between revisions
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||1755 – Oliver Evans, American inventor, engineer and businessman (d. 1819) | ||1755 – Oliver Evans, American inventor, engineer and businessman (d. 1819) | ||
File:Constantin Carathéodory.jpg|link=Constantin Carathéodory (nonfiction)|1873: Mathematician and author [[Constantin Carathéodory (nonfiction)|Constantin Carathéodory]] born. He will | File:Constantin Carathéodory.jpg|link=Constantin Carathéodory (nonfiction)|1873: Mathematician and author [[Constantin Carathéodory (nonfiction)|Constantin Carathéodory]] born. He will pioneer the axiomatic formulation of thermodynamics along a purely geometrical approach. | ||
||1885 – Wilhelm Blaschke, Austrian-German mathematician and academic (d. 1962) | ||1885 – Wilhelm Blaschke, Austrian-German mathematician and academic (d. 1962) | ||
Revision as of 18:12, 6 July 2017
1873: Mathematician and author Constantin Carathéodory born. He will pioneer the axiomatic formulation of thermodynamics along a purely geometrical approach.
1898: Priest and inventor Hannibal Goodwin patents celluloid photographic film.
2014: Army research laboratories convert modern plowshares into ancient swords. Military contractors call technique "Astonishing breakthrough."