Template:Selected anniversaries/February 14: Difference between revisions
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||1848: Benjamin Baillaud born ... astronomer and academic. | ||1848: Benjamin Baillaud born ... astronomer and academic. | ||
||1850: John Perry born ... engineer and mathematician. | ||1850: John Perry born ... engineer and mathematician. Pic search yes: https://www.google.com/search?q=John+Perry+engineer | ||
File:Telegraph.jpg|link=Electrical telegraph (nonfiction)|1855: Texas is linked by [[Electrical telegraph (nonfiction)|telegraph]] to the rest of the United States, with the completion of a connection between New Orleans and Marshall, Texas. | File:Telegraph.jpg|link=Electrical telegraph (nonfiction)|1855: Texas is linked by [[Electrical telegraph (nonfiction)|telegraph]] to the rest of the United States, with the completion of a connection between New Orleans and Marshall, Texas. | ||
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||1859: George Washington Gale Ferris Jr. born ... engineer, inventor of the Ferris wheel. | ||1859: George Washington Gale Ferris Jr. born ... engineer, inventor of the Ferris wheel. | ||
||1869: Charles Thomson Rees Wilson born ... physicist and meteorologist, Nobel Prize laureate. | ||1869: Charles Thomson Rees Wilson born ... physicist and meteorologist, Nobel Prize laureate. Pic. | ||
File:Rotary dial telephone.jpg|link=Telephone (nonfiction)|1876: [[Alexander Graham Bell (nonfiction)|Alexander Graham Bell]] applies for a patent for the [[Telephone (nonfiction)|telephone]], as does [[Elisha Gray (nonfiction)|Elisha Gray]]. | File:Rotary dial telephone.jpg|link=Telephone (nonfiction)|1876: [[Alexander Graham Bell (nonfiction)|Alexander Graham Bell]] applies for a patent for the [[Telephone (nonfiction)|telephone]], as does [[Elisha Gray (nonfiction)|Elisha Gray]]. | ||
Revision as of 17:38, 28 March 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.