Template:Selected anniversaries/February 14: Difference between revisions

Revision as of 19:11, 4 November 2017

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.
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.
1949: ENIAC programmed to select optimal Valentine's Day gift.
1950: Physicist and engineer Karl Guthe Jansky dies. He was one of the founding figures of radio astronomy.
1990: The Voyager 1 spacecraft takes the photograph of planet Earth later become famous as Pale Blue Dot.
2009: Record attendance for Valentine's Day performance by Rhizolith Group.

@@ Line 39: / Line 39: @@
 ||1878 – Julius Nieuwland, Belgian priest, chemist and academic (d. 1936)
-||1894 – Eugène Charles Catalan, Belgian-French mathematician and academic (b. 1814)
+||1894 – Eugène Charles Catalan, Belgian-French mathematician and academic (b. 1814) Eugène Charles Catalan (30 May 1814 – 14 February 1894)[1] was a French and Belgian mathematician who worked on continued fractions, descriptive geometry, number theory and combinatorics. His notable contributions included discovering a periodic minimal surface in the space {\displaystyle \mathbb {R} ^{3}} \mathbb {R} ^{3}; stating the famous Catalan's conjecture, which was eventually proved in 2002; and, introducing the Catalan numbers to solve a combinatorial problem.
 ||Edward Arthur Milne FRS (b. 14 February 1896) was a British astrophysicist and mathematician.