Template:Selected anniversaries/June 15: Difference between revisions
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||1878: Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures. | ||1878: Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures. | ||
||1881: Paul Cornu born ... engineer. He designed the world's first successful manned rotary wing aircraft. Pic (cool). | |||
||1894: Nikolai Chebotaryov born ... Ukrainian-Russian mathematician and theorist | ||1894: Nikolai Chebotaryov born ... Ukrainian-Russian mathematician and theorist | ||
Revision as of 17:18, 2 September 2018
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.