Template:Selected anniversaries/February 14: Difference between revisions
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||1490 – Valentin Friedland, German scholar and educationist of the Reformation (d. 1556) | ||1490 – Valentin Friedland, German scholar and educationist of the Reformation (d. 1556) | ||
||Teresa Cohen (b. February 14, 1892) was an American mathematician. Pic. | |||
||1502 – Spanish Inquisition: The Catholic Monarchs issue a decree forcing Muslims in Granada to convert to Catholicism or leave Spain. | ||1502 – Spanish Inquisition: The Catholic Monarchs issue a decree forcing Muslims in Granada to convert to Catholicism or leave Spain. | ||
Revision as of 18:45, 10 July 2018
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.