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| File:Leonardo_da_Vinci_in_flight.jpg|link=Leonardo da Vinci|1488: Polymath [[Leonardo da Vinci]] publishes groundbreaking treatise on applications of the [[Gnomon algorithm]] principle to powered flight.
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| File:Leonardo by Meizi.jpg|link=Leonardo da Vinci (nonfiction)|1519: Polymath [[Leonardo da Vinci (nonfiction)|Leonardo da Vinci]] dies. His areas of interest included painting, sculpting, architecture, invention, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography. | | File:Leonardo by Meizi.jpg|link=Leonardo da Vinci (nonfiction)|1519: Polymath [[Leonardo da Vinci (nonfiction)|Leonardo da Vinci]] dies. His areas of interest included painting, sculpting, architecture, invention, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography. |
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| ||1602: Athanasius Kircher born ... scholar and polymath who published around 40 major works, most notably in the fields of comparative religion, geology, and medicine. Kircher has been compared to fellow Jesuit Roger Boscovich and to Leonardo da Vinci for his enormous range of interests, and has been honored with the title "Master of a Hundred Arts". Pic.
| | File:Athanasius_Kircher.jpg|link=Athanasius Kircher (nonfiction)|1602: Scholar and polymath [[Athanasius Kircher (nonfiction)|Athanasius Kircher]] born. He will publish some 40 major works, most notably in the fields of comparative religion, geology, and medicine. |
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| ||1611: The King James Version of the Bible is published for the first time in London, England, by printer Robert Barker.
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| ||1683: Stjepan Gradić dies ... philosopher and mathematician. Pic.
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| ||1743: Mathematician Christian August Hausen dies. who is known for his research on electricity. Pic.
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| File:Leonhard Euler.jpg|link=Leonhard Euler (nonfiction)|1779: Mathematician and physicist [[Leonhard Euler (nonfiction)|Leonhard Euler]] publishes treatise on mathematical terminology and notation for use in detecting and preventing [[crimes against mathematical constants]]. | |
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| ||1797: Abraham Pineo Gesner born ... physician and geologist. He invented kerosene. Pic.
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| ||1802: Heinrich Gustav Magnus born ... chemist and physicist. Pic.
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| ||1844: Elijah J. McCoy born ... inventor and engineer who was notable for his 57 U.S. patents, most having to do with the lubrication of steam engines.
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| ||1845: The Yarmouth Bridge collapsed under load from a crowd who had gathered to watch a circus stunt on the river. Some 79 people, mainly children, were killed. An investigation found fault with the design and workmanship of the bridge. Pic.
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| File:D'Arcy Wentworth Thompson.jpg|link=D'Arcy Wentworth Thompson (nonfiction)|1860: Biologist, mathematician, and classics scholar [[D'Arcy Wentworth Thompson (nonfiction)|D'Arcy Wentworth Thompson]] born. | | File:D'Arcy Wentworth Thompson.jpg|link=D'Arcy Wentworth Thompson (nonfiction)|1860: Biologist, mathematician, and classics scholar [[D'Arcy Wentworth Thompson (nonfiction)|D'Arcy Wentworth Thompson]] born. |
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| ||1860: William Bayliss dies ... physiologist who, in 1902 co-discovered the first hormone (with the British physiologist Ernest H. Starling). They found a certain chemical substance is secreted when food comes into contact with part of the small intestine. This chemical substance, which they named secretin, upon being carried by the blood to the pancreas, stimulates the secretion of pancreatic juice, the most important of the digestive juices. They coined the word “hormone” based on a Greek word for “to set in motion.” Bayliss also studied the use of saline injections to counteract shock during surgery. He proposed the use of gum-saline injections for wound shock to saved many lives of wounded soldiers in WW I. Pic.
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| ||1867: Giuseppe Morello born ... mobster.
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| ||1868: Robert Williams Wood born ... physicist and inventor. He is often cited as being a pivotal contributor to the field of optics and a pioneer of infrared and ultraviolet photography.
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| ||1885: Mauro Picone born ... mathematician. He is known for the Picone identity, and the Sturm-Picone comparison theorem. He was also an outstanding teacher of mathematical analysis: some of the best Italian mathematicians were among his pupils. Pic.
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| ||1890: E. E. Smith born ... engineer and author.
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| ||1908: Frank Rowlett born ... cryptologist. Pic.
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| ||1915: Clara Immerwahr dies ... chemist. Pic.
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| ||1922: Cyrus Levinthal born ... molecular biologist. While at MIT Levinthal made significant discoveries in molecular genetics relating to the mechanisms of DNA replication, the relationship between genes and proteins, and the nature of messenger RNA. At Columbia Levinthal applied computers to the 3-dimensional imaging of biological structures such as proteins. He is considered the father of computer graphical display of protein structure. Pic search: https://www.google.com/search?q=cyrus+levinthal
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| ||1922: George Claude Pimentel born ... inventor of the chemical laser. He also developed the technique of matrix isolation in low-temperature chemistry. In theoretical chemistry, he proposed the three-center four-electron bond which is now accepted as the best simple model of hypervalent molecules. In the late 1960s, Pimentel led the University of California team that designed the infrared spectrometer for the Mars Mariner 6 and 7 missions that analyzed the surface and atmosphere of Mars. Pic search good: https://www.google.com/search?q=George+C.+Pimentel
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| ||1964: Vietnam War: An explosion sinks the American aircraft carrier USS Card while it is docked at Saigon. A North Vietnamese frogman had placed a bomb on the ship. She is raised and returned to service less than seven months later.
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| ||1965: Paul dies born ... psychologist ... He developed a model of human movement, Fitts's law, based on rapid, aimed movement, which went on to become one of the most highly successful and well studied mathematical models of human motion. By focusing his attention on human factors during his time as Lieutenant Colonel in the US Air Force, Fitts became known as one of the pioneers in improving aviation safety. Pic search yes: https://www.google.com/search?q=paul+fitts
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| ||1967: Robert Daniel Carmichael dies ... mathematician ... known for his research in what are now called the Carmichael numbers (a subset of Fermat pseudoprimes, numbers satisfying properties of primes described by Fermat's Little Theorem although they are not primes), Carmichael's totient function conjecture, Carmichael's theorem, and the Carmichael function, all significant in number theory and in the study of the prime numbers. Pic: http://matematica.unibocconi.it/autore/robert-daniel-carmichael
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| ||1973: John Robert Vernon Dolphin dies ... engineer and inventor who joined the British Secret Intelligence Service and then became the Commanding Officer of the top secret Second World War Special Operations Executive (SOE) 'Station IX' where specialist military equipment was developed. During his time there his inventions included the Welman midget submarine and the Welbike Parachutists' Motorcycle. Pic search yes: https://www.google.com/search?q="John%2BRobert%2BVernon%2BDolphin"
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| ||1979: Giulio Natta dies ... chemist and engineer, Nobel Prize laureate. Pic.
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| ||1980: George Pal dies ... animator and producer. Pic.
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| ||1982: Salomon Bochner dies ... mathematician, known for work in mathematical analysis, probability theory and differential geometry. Pic.
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| File:Chernobyl disaster.jpg|link=Chernobyl disaster (nonfiction)|1986: [[Chernobyl disaster (nonfiction)|Chernobyl disaster]]: The City of Chernobyl is evacuated six days after the disaster. | | File:Chernobyl disaster.jpg|link=Chernobyl disaster (nonfiction)|1986: [[Chernobyl disaster (nonfiction)|Chernobyl disaster]]: The City of Chernobyl is evacuated six days after the disaster. |
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| File:The Custodian.jpg|link=The Custodian|1986: Public servant and alleged time-traveller [[The Custodian]] says he is "sick and tired of mopping up [[Chernobyl disaster (nonfiction)|Chernobyl]], among other things." | | File:W._T._Tutte.jpg|link=W. T. Tutte (nonfiction)|2002: Mathematician, codebreaker, and academic [[W. T. Tutte (nonfiction)|W. T. Tutte]] dies. During the Second World War, he made a brilliant and fundamental advance in cryptanalysis of the Lorenz cipher, a major Nazi German cipher system. |
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| ||1997: John Carew Eccles dies ... neurophysiologist and philosopher who won the 1963 Nobel Prize in Physiology or Medicine for his work on the synapse. He shared the prize with Andrew Huxley and Alan Lloyd Hodgkin. Pic (cool tech).
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| File:W._T._Tutte.jpg|link=W. T. Tutte|2002: Mathematician, codebreaker, and academic [[W. T. Tutte (nonfiction)|W. T. Tutte]] dies. During the Second World War, he made a brilliant and fundamental advance in cryptanalysis of the Lorenz cipher, a major Nazi German cipher system.
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| ||2004: John Michael Hammersley dies ... mathematician best known for his foundational work in the theory of self-avoiding walks and percolation theory. Pic.
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| ||2008: Izold Pustõlnik dies ... astronomer and academic.
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| ||2012: Akira Tonomura dies ... physicist, author, and academic. Pic: https://alchetron.com/Akira-Tonomura
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| File:Green_Spiral_9.jpg|link=Green Spiral 9 (nonfiction)|2018: Signed first edition of ''[[Green Spiral 9 (nonfiction)|Green Spiral 9]]'' stolen from the Museum of Modern Art by criminal agents of the [[Forbidden Ratio]].
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