Template:Selected anniversaries/April 3: Difference between revisions
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||1753: Simon Willard born ... celebrated U.S. clockmaker. Among his many innovations and timekeeping improvements, Simon Willard is best known for inventing the eight-day patent timepiece that came to be known as the gallery or banjo clock. Pic: https://www.findagrave.com/memorial/13606676/simon-willard | ||1753: Simon Willard born ... celebrated U.S. clockmaker. Among his many innovations and timekeeping improvements, Simon Willard is best known for inventing the eight-day patent timepiece that came to be known as the gallery or banjo clock. Pic: https://www.findagrave.com/memorial/13606676/simon-willard | ||
||1764: John Abernethy born ... surgeon and anatomist. His ''Surgical Observations on the Constitutional Origin and Treatment of Local Diseases'' (1809) — known as "My Book", from the great frequency with which he referred his patients to it, and to page 72 of it in particular, under that name — was one of the earliest popular works on medical science. So great was his zeal in encouraging patients to read the book that he earned the nickname "Doctor My-Book". Pic. | |||
File:Ernst Chladni.jpg|link=Ernst Chladni (nonfiction)|1827: Physicist, musician, and academic [[Ernst Chladni (nonfiction)|Ernst Chladni]] dies. He has been called both the father of acoustics and the father of meteoritics. | File:Ernst Chladni.jpg|link=Ernst Chladni (nonfiction)|1827: Physicist, musician, and academic [[Ernst Chladni (nonfiction)|Ernst Chladni]] dies. He has been called both the father of acoustics and the father of meteoritics. | ||
Revision as of 12:39, 17 April 2019
1693: Carpenter and clockmaker John Harrison born. He will invent a marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea.
1827: Physicist, musician, and academic Ernst Chladni dies. He has been called both the father of acoustics and the father of meteoritics.
1841: Inventor and crime-fighter Charles Grafton Page publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1907: Cryptanalyst and mathematician Solomon Kullback born. Krullback will begin his career with the US Army's Signal Intelligence Service (SIS) in the 1930s; when the National Security Agency (NSA) is formed in 1952, Rowlett will become chief of cryptanalysis, overseeing the research and development of computerized cryptanalysis.
1908: Chemist, physicist, and APTO field engineer William Crookes uses the famous Crookes tube to defeat the criminal mathematical function Killer Poke in single combat.
1995: Mathematician and checkers player Marion Tinsley dies. Tinsley was "to checkers what Leonardo da Vinci was to science, what Michelangelo was to art and what Beethoven was to music."
1998: Mathematician and academic Mary Cartwright dies. She did pioneering work in chaos theory.
1999: Sensors on the Mir spacecraft detect patterns of electricity which reveal existence of a vast artificial intelligence in the Earth's ionosphere.
2017: Signed first edition of Crimson Blossom spontaneously develop and previously unknown shade of red after exposure to Cherenkov radiation during a high-energy literature experiment.
