Template:Selected anniversaries/August 12: Difference between revisions
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||1452 – Abraham Zacuto, Jewish astronomer, astrologer, mathematician, rabbi and historian (d. 1515) | ||1452 – Abraham Zacuto, Jewish astronomer, astrologer, mathematician, rabbi and historian (d. 1515). Pic Wikipedia: page, tables. Pic not Wikipedia: https://alchetron.com/Abraham-Zacuto | ||
||1624 – The president of Louis XIII of France's royal council is arrested, leaving Cardinal Richelieu in the role of the King's principal minister. | ||1624 – The president of Louis XIII of France's royal council is arrested, leaving Cardinal Richelieu in the role of the King's principal minister. | ||
||1810 – Étienne Louis Geoffroy, French pharmacist and entomologist (b. 1725) | ||1810 – Étienne Louis Geoffroy, French pharmacist and entomologist (b. 1725). Pic: page of insects. | ||
File:William Blake by John Flaxman c1804.jpg|link=William Blake (nonfiction)|1827: Poet, painter, and printmaker [[William Blake (nonfiction)|William Blake]] dies. | File:William Blake by John Flaxman c1804.jpg|link=William Blake (nonfiction)|1827: Poet, painter, and printmaker [[William Blake (nonfiction)|William Blake]] dies. | ||
||Johann Christian Martin Bartels (12 August 1769 – 20 December [O.S. 7 December] 1836) was a German mathematician. He was the tutor of Carl Friedrich Gauss in Brunswick and the educator of Lobachevsky at the University of Kazan. | ||Johann Christian Martin Bartels (12 August 1769 – 20 December [O.S. 7 December] 1836) was a German mathematician. He was the tutor of Carl Friedrich Gauss in Brunswick and the educator of Lobachevsky at the University of Kazan. | ||
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||1900 – Wilhelm Steinitz, Austrian chess player and theoretician (b. 1836) | ||1900 – Wilhelm Steinitz, Austrian chess player and theoretician (b. 1836) | ||
||1900: James Edward Keeler dies ... was an American astronomer was an American astronomer who confirmed Maxwell's theory that the rings of Saturn were not solid (requiring uniform rotation), but composed of meteoric particles (with rotational velocity given by Kepler's 3rd law). His spectrogram of 9 Apr 1895 of the rings of Saturn showed the Doppler shift indicating variation of radial velocity along the slit. At the age of 21, he observed the solar eclipse of Jul 1878, with the Naval Observatory expedition to Colorado. He directed the Allegheny Observatory (1891-8) and the Lick Observatory from 1898, where, working with the Crossley reflector, he observed large numbers of nebulae whose existence had never before been suspected. Pic. | |||
||1901 – Adolf Erik Nordenskiöld, Finnish-Swedish botanist, geologist, mineralogist, and explorer (b. 1832) | ||1901 – Adolf Erik Nordenskiöld, Finnish-Swedish botanist, geologist, mineralogist, and explorer (b. 1832) | ||
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File:George Ellery Hale.jpg|link=George Ellery Hale (nonfiction)|1937: Astronomer and crime-fighter [[George Ellery Hale (nonfiction)|George Ellery Hale]] publishes new class of [[Gnomon algorithm functions]], based on magnetic fields in sunspots, which detect and prevent [[crimes against mathematical constants]]. | File:George Ellery Hale.jpg|link=George Ellery Hale (nonfiction)|1937: Astronomer and crime-fighter [[George Ellery Hale (nonfiction)|George Ellery Hale]] publishes new class of [[Gnomon algorithm functions]], based on magnetic fields in sunspots, which detect and prevent [[crimes against mathematical constants]]. | ||
||1946: Alfred Stock dies ... a German inorganic chemist. He did pioneering research on the hydrides of boron and silicon, coordination chemistry, mercury, and mercury poisoning. The German Chemical Society's Alfred-Stock Memorial Prize is named after him. Pic. | |||
||1952 – The Night of the Murdered Poets: Thirteen prominent Jewish intellectuals are murdered in Moscow, Russia, Soviet Union. | ||1952 – The Night of the Murdered Poets: Thirteen prominent Jewish intellectuals are murdered in Moscow, Russia, Soviet Union. | ||
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||1953 – The first testing of a real thermonuclear weapon (not test devices): The Soviet atomic bomb project continues with the detonation of "RDS-6s" (Joe 4), the first Soviet thermonuclear bomb. | ||1953 – The first testing of a real thermonuclear weapon (not test devices): The Soviet atomic bomb project continues with the detonation of "RDS-6s" (Joe 4), the first Soviet thermonuclear bomb. | ||
||1955 – James B. Sumner, American chemist and academic, Nobel Prize laureate (b. 1887) | ||1955 – James B. Sumner, American chemist and academic, Nobel Prize laureate (b. 1887). Pic. | ||
||George Braxton Pegram (d. August 12, 1958) was an American physicist who played a key role in the technical administration of the Manhattan Project. | ||George Braxton Pegram (d. August 12, 1958) was an American physicist who played a key role in the technical administration of the Manhattan Project. Pic. | ||
||1960 – Echo 1A, NASA's first successful communications satellite, is launched. | ||1960 – Echo 1A, NASA's first successful communications satellite, is launched. | ||
Revision as of 10:08, 11 August 2018
1827: Poet, painter, and printmaker William Blake dies.
1863: Confederate submarine H. L. Hunley arrives at Charleston, South Carolina by rail.
1887: Physicist and academic Erwin Schrödinger born. He will be awarded the 1933 Nobel Prize for Physics for the formulation of the Schrödinger equation.
1937: Astronomer and crime-fighter George Ellery Hale publishes new class of Gnomon algorithm functions, based on magnetic fields in sunspots, which detect and prevent crimes against mathematical constants.
1989: Physicist and inventor William Shockley dies. He shared the 1956 Nobel Prize in Physics for the invention of the point-contact transistor.
1996: Astronomer and crime-fighter Vera Rubin computes the discrepancy between the predicted angular motion of galaxies and the observed motion, makes contact with AESOP.
2005: The Mars Reconnaissance Orbiter launched.
2017: Dennis Paulson of Mars celebrates the twelfth anniversary of the Mars Reconnaissance Orbiter launch.
2017: AESOP re-broadcasts 1996 conversation with astronomer and crime-fighter Vera Rubin about the discrepancy between the predicted angular motion of galaxies and the observed motion.