Template:Selected anniversaries/May 15: Difference between revisions

Revision as of 16:48, 26 March 2018

1579: Mathematician and physicist Thomas Fincke invents new type of scrying engine which pre-visualizes tangents and secants. He will use the engine to detect and expose crimes against mathematical constants.
1618: Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
1801: Mathematician Joseph Ludwig Raabe born. He will discover Raabe's ratio test, which determines the convergence or divergence of an infinite series, in some cases.
1836: Astronomer Francis Baily observes "Baily's beads" during an annular eclipse.
1864: Asclepius Myrmidon Prepares for Emergency Field Surgery incorporated into army medical manuals on both sides of the American Civil War.
1888: Council of algorithms announces plans to fund and build a Museum of Algorithms.

@@ Line 49: / Line 49: @@
 ||1934 – Kārlis Ulmanis establishes an authoritarian government in Latvia.
+||Helene (Hel) Braun (d. May 15, 1986) was a German mathematician who specialized in number theory and modular forms; proving the convergence of the Eisenstein series. She also wrote an autobiography, ''The Beginning of A Scientific Career'', describing her experience as a female scientist in the Third Reich. No pic.
 ||1956 – Austin Osman Spare, English painter and magician (b. 1886)