Template:Selected anniversaries/June 15: Difference between revisions

Revision as of 06:39, 8 March 2020

763 BC: Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history.
1485 Feb. 1: lexicographer, chronicler, cryptographer, and occultist Johannes Trithemius uses Gnomon algorithm techniques to generate improved solar eclipse forecasts. During the Second World War, this data will be used by German cryptographers to defeat enemy traffic analysis.
1906: Mathematician, cryptographer, and author Gordon Welchman born. During the Second World War, he will develop traffic analysis techniques for breaking German codes.
1939: Art critic and alleged supervillain The Eel helps break German military codes using surf-powered gnomon algorithm techniques.
1995: Physicist, inventor, and academic John Vincent Atanasoff dies. He invented the Atanasoff–Berry computer, the first electronic digital computer.
2016: Steganographic analysis of Traveller reveals "several hundred kilobytes" of previously unknown Gnomon algorithm functions.

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 ||1894: Nikolai Chebotaryov born ... mathematician and theorist ... best known for the Chebotaryov density theorem. Pic.
+||1902: Alfred Kneschke born ... mathematician, engineer and university lecturer. During the World War II, Kneschke managed the Referat IV, Section II of the Wehrmacht Signals intelligence organization General der Nachrichtenaufklärung until November 1944, working on cryptanalysis and decoding of British, USA, French and Balkan cipher systems. From Nov 1944, he worked in the OKW/Chi cipher bureau as a cryptanalyst. Pic.
 File:Gordon Welchman.jpg|link=Gordon Welchman (nonfiction)|1906: Mathematician, cryptographer, and author [[Gordon Welchman (nonfiction)|Gordon Welchman]] born. During the Second World War, he will develop traffic analysis techniques for breaking German codes.