Template:Selected anniversaries/April 3: Difference between revisions
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||1885: Bud Fisher born ... cartoonist. Pic. | ||1885: Bud Fisher born ... cartoonist. Pic. | ||
||1888: The first of eleven unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs. | ||1888: Jack the Ripper: The first of eleven unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs. | ||
||1888: Carl Gustav Axel von Harnack dies ... mathematician who contributed to potential theory. Harnack's inequality applied to harmonic functions. He also worked on the real algebraic geometry of plane curves, proving Harnack's curve theorem for real plane algebraic curves. Pic. | ||1888: Carl Gustav Axel von Harnack dies ... mathematician who contributed to potential theory. Harnack's inequality applied to harmonic functions. He also worked on the real algebraic geometry of plane curves, proving Harnack's curve theorem for real plane algebraic curves. Pic. | ||
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||1922: Joseph Stalin becomes the first General Secretary of the Communist Party of the Soviet Union. | ||1922: Joseph Stalin becomes the first General Secretary of the Communist Party of the Soviet Union. | ||
||1933: First flight over Mount Everest, a British expedition, led by the Marquis of Clydesdale, and funded by Lucy, Lady Houston. | ||1933: First flight over Mount Everest, a British expedition, led by the Marquis of Clydesdale, and funded by Lucy, Lady Houston. Pic. | ||
||1936: Bruno Richard Hauptmann is executed for the kidnapping and death of Charles Augustus Lindbergh, Jr., the baby son of pilot Charles Lindbergh. | ||1936: Bruno Richard Hauptmann is executed for the kidnapping and death of Charles Augustus Lindbergh, Jr., the baby son of pilot Charles Lindbergh. Pic. | ||
||1955: The American Civil Liberties Union announces it will defend Allen Ginsberg's book ''Howl'' against obscenity charges. | ||1955: The American Civil Liberties Union announces it will defend Allen Ginsberg's book ''Howl'' against obscenity charges. | ||
||1969: Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort. | ||1969: Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort. Pic. | ||
||1973: Martin Cooper of Motorola makes the first handheld mobile phone call to Joel S. Engel of Bell Labs. | ||1973: Martin Cooper of Motorola makes the first handheld mobile phone call to Joel S. Engel of Bell Labs. | ||
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||1975: Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default. | ||1975: Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default. | ||
||1976: David M. Dennison dies ... physicist and academic ... made contributions to quantum mechanics, spectroscopy, and the physics of molecular structure. | ||1976: David M. Dennison dies ... physicist and academic ... made contributions to quantum mechanics, spectroscopy, and the physics of molecular structure. Pic. | ||
||1981: The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco. | ||1981: The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco. | ||
Revision as of 08:19, 28 February 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.
