Template:Selected anniversaries/April 3: Difference between revisions
No edit summary |
No edit summary |
||
| Line 38: | Line 38: | ||
||1907: Solomon Kullback born ... cryptanalyst and mathematician, who was one of the first three employees hired by William F. Friedman at the US Army's Signal Intelligence Service (SIS) in the 1930s, along with Frank Rowlett and Abraham Sinkov. | ||1907: Solomon Kullback born ... cryptanalyst and mathematician, who was one of the first three employees hired by William F. Friedman at the US Army's Signal Intelligence Service (SIS) in the 1930s, along with Frank Rowlett and Abraham Sinkov. | ||
File:Sir_William_Crookes_1906.jpg|link=William Crookes (nonfiction)|1908: Chemist, physicist, and | File:Sir_William_Crookes_1906.jpg|link=William Crookes (nonfiction)|1908: Chemist, physicist, and [[APTO]] field engineer [[William Crookes (nonfiction)|William Crookes]] uses the famous Crookes tube to defeat the criminal mathematical function [[Killer Poke]] in single combat. | ||
||1910: Richard Wilhelm Heinrich Abegg dies ... chemist and pioneer of valence theory. He proposed that the difference of the maximum positive and negative valence of an element tends to be eight. This has come to be known as Abegg's rule. Pic. | ||1910: Richard Wilhelm Heinrich Abegg dies ... chemist and pioneer of valence theory. He proposed that the difference of the maximum positive and negative valence of an element tends to be eight. This has come to be known as Abegg's rule. Pic. | ||
Revision as of 17:45, 3 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.
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.
