Template:Selected anniversaries/February 14: Difference between revisions

Revision as of 16:28, 5 April 2019

1855: Texas is linked by telegraph to the rest of the United States, with the completion of a connection between New Orleans and Marshall, Texas.
1876: Alexander Graham Bell applies for a patent for the telephone, as does Elisha Gray.
1904: Engineer and inventor Charles William Oatley born. He will develop of one of the first commercial scanning electron microscopes.
1943: Mathematician David Hilbert dies. He discovered and developed a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of geometry.
1944: Physicist and academic Owen Willans Richardson uses thermionic theory to compute optimal Valentine's Day card.
1950: Physicist and engineer Karl Guthe Jansky dies. He was one of the founding figures of radio astronomy.
1951: Theoretical physicist and crime-fighter Richard Feynman uses principles of quantum electrodynamics to compose state-of-the-art Valentine's Day cards.
1990: The Voyager 1 spacecraft takes the photograph of planet Earth later become famous as Pale Blue Dot.
2017: Steganographic analysis of famed illustration Alice and Niles Dancing reveals three terabytes of love letters between mathematicians Alice Beta and Niles Cartouchian.

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 ||1490: Valentin Friedland born ... scholar and educationist of the Reformation.
+||1793: Goldsworthy Gurney born ... surgeon, chemist, lecturer, consultant, architect, builder. He was a prototypical British gentleman scientist and inventor of the Victorian era. Pic.
 ||1892: Teresa Cohen born ... mathematician. Invited to join the faculty of Pennsylvania State University in 1920, she advanced to the rank of full professor; after her mandatory retirement in 1962, she maintained an office in the Department of Mathematics and tutored students for free until 1985 at the age of 94. Pic.