Template:Selected anniversaries/August 20: Difference between revisions
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File:Johan de Witt.jpg|link=Johan de Witt (nonfiction)|1672: Mathematician and politician [[Johan de Witt (nonfiction)|Johan de Witt]] dies in a riot. The rioters will partially eat his body. | File:Johan de Witt.jpg|link=Johan de Witt (nonfiction)|1672: Mathematician and politician [[Johan de Witt (nonfiction)|Johan de Witt]] dies in a riot. The rioters will partially eat his body. | ||
||1680 | ||1680: William Bedloe dies ... English spy. | ||
|File:Bartolomeu Lourenço de Gusmão.jpg|link=Bartolomeu de Gusmão (nonfiction)|1705: Inventor and priest [[Bartolomeu de Gusmão (nonfiction)|Bartolomeu de Gusmão]]'s uses [[scrying engine]] to design improved [[Airship (nonfiction)|airship]]. | |File:Bartolomeu Lourenço de Gusmão.jpg|link=Bartolomeu de Gusmão (nonfiction)|1705: Inventor and priest [[Bartolomeu de Gusmão (nonfiction)|Bartolomeu de Gusmão]]'s uses [[scrying engine]] to design improved [[Airship (nonfiction)|airship]]. | ||
||1710 | ||1710: Thomas Simpson born ... mathematician and academic. | ||
||1779 | ||1779: Jöns Jacob Berzelius born ... Swedish chemist and academic. | ||
||1831: Eduard Suess born ... geologist who helped lay the basis for paleogeography and tectonics (the study of the architecture and evolution of the Earth's outer rocky shell). He was an authority on structural geology, especially of mountains, and postulated the existence of the giant land mass Gondwanaland. Pic. | ||1831: Eduard Suess born ... geologist who helped lay the basis for paleogeography and tectonics (the study of the architecture and evolution of the Earth's outer rocky shell). He was an authority on structural geology, especially of mountains, and postulated the existence of the giant land mass Gondwanaland. Pic. | ||
||1858 | ||1858: Charles Darwin first publishes his theory of evolution through natural selection in The Journal of the Proceedings of the Linnean Society of London, alongside Alfred Russel Wallace's same theory. | ||
||Corrado Segre | ||1863: Corrado Segre born ... mathematician who is remembered today as a major contributor to the early development of algebraic geometry. | ||
||1872 | ||1872: William Robinson was issued a U.S. patent No.130,661 for electric train signalling. | ||
||Octav Onicescu | ||1892: Octav Onicescu born ... mathematician, member of the Romanian Academy, and founder of the Romanian school of probability theory and statistics. Pic. | ||
||1897 | ||1897: Physician Sir Ronald Ross made a key breakthrough when he discovered malaria parasites while dissecting a mosquito. This day is now known as World Mosquito Day, in celebration of this important discovery. | ||
||1898: Theoretical physicist Leopold Infeld born. After the first use of nuclear weapons in 1945 Infeld, like Einstein, became a peace activist. Because of his activities, he was unjustly accused of having communist sympathies. In the strongly anti-communist climate of the time many in the Canadian government and media feared that Infled would betray nuclear weapons secrets. He was stripped of his Canadian citizenship and was widely denounced as a traitor. In actuality, Infeld's field was the theory of relativity—not directly linked to nuclear weapons research. | ||1898: Theoretical physicist Leopold Infeld born. After the first use of nuclear weapons in 1945 Infeld, like Einstein, became a peace activist. Because of his activities, he was unjustly accused of having communist sympathies. In the strongly anti-communist climate of the time many in the Canadian government and media feared that Infled would betray nuclear weapons secrets. He was stripped of his Canadian citizenship and was widely denounced as a traitor. In actuality, Infeld's field was the theory of relativity—not directly linked to nuclear weapons research. | ||
||Salomon Bochner | ||1899: Salomon Bochner born ... mathematician, known for work in mathematical analysis, probability theory and differential geometry. Pic. | ||
||1908: Valentin Petrovich Glushko born ... rocket scientist who was a pioneer developer of rocket engines (1946-74). From 1929, he worked in Leningrad in GDL - the Gas Dynamics Laboratory, the military rocket research organization, founded in 1921. He worked with renowned rocket designer Sergey Korolyov (1932-1966). In Aug 1957, they successfully launched the first intercontinental ballistic missile and in October of the same year, sent the first artificial satellite, Sputnik I, into orbit. He became chief designer for the Soviet space program in 1974, helping to oversee development of the Mir space station. During his life, he designed the most succesessful rocket engines in the Soviet space program. Pic. | ||1908: Valentin Petrovich Glushko born ... rocket scientist who was a pioneer developer of rocket engines (1946-74). From 1929, he worked in Leningrad in GDL - the Gas Dynamics Laboratory, the military rocket research organization, founded in 1921. He worked with renowned rocket designer Sergey Korolyov (1932-1966). In Aug 1957, they successfully launched the first intercontinental ballistic missile and in October of the same year, sent the first artificial satellite, Sputnik I, into orbit. He became chief designer for the Soviet space program in 1974, helping to oversee development of the Mir space station. During his life, he designed the most succesessful rocket engines in the Soviet space program. Pic. | ||
Revision as of 04:30, 1 February 2019
1672: Mathematician and politician Johan de Witt dies in a riot. The rioters will partially eat his body.
1911: The first cable message sent around the world from the U.S. by commercial telegraph was transmitted from New York City. It read “This message sent around the world,” left the New York Times building at 7:00 pm and was received at 7:16 pm after travelling nearly 29,000 miles through 16 relays via the Azores, Gibraltar, India, Phillipines, Midway, Guam, Hawaii and San Francisco.
1912: Thomas Edison receives U.S. patent No. 1036470 for a “Phonographic Apparatus,” and No. 1036471 for a “Storage Battery.”
1923: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.
1942: The first visible quantity of a plutonium compound, plutonium(IV) iodate, is isolated by nuclear chemists Burris Cunningham and Louis Werner.
1961: Physicist and academic Percy Williams Bridgman dies. He won the 1946 Nobel Prize in Physics for his work on the physics of high pressures.
1962: Mathematician and crime-fighter Alice Beta publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.