Template:Selected anniversaries/April 3: Difference between revisions
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||1799: Pierre Charles Le Monnier dies ... astronomer and author. Pic. | ||1799: Pierre Charles Le Monnier dies ... astronomer and author. Pic. | ||
||1820: Joseph von Gerlach born ... professor of anatomy and a pioneer of histological staining and anatomical micrography. In 1858 Gerlach introduced carmine mixed with gelatin as a histological stain. Along with Camillo Golgi, he was a major proponent of the reticular theory that the brain's nervous system consisted of processes of contiguous cells fused to create a massive meshed network. 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 07:30, 10 March 2020
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.
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.
