Template:Selected anniversaries/August 21: Difference between revisions
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||1911: The Mona Lisa is stolen by a Louvre employee. | ||1911: The Mona Lisa is stolen by a Louvre employee. | ||
||1915: Robert Furman born ... engineer and intelligence officer ... chief of foreign intelligence for the Manhattan Engineer District directing espionage against the German nuclear energy project. He participated in the Alsos Mission, which conducted a series of operations with the intent to place all uranium in Europe into Allied hands, and at the end of the war rounded up German atomic scientists to keep them out of the Soviet Union. He personally escorted half of the uranium-235 necessary for the Little Boy atomic bomb to the Pacific island of Tinian. He was also a key figure overseeing the construction of The Pentagon building. Pic. | |||
||1918: Bruria Kaufman born ... theoretical physicist. She is known for contributions to Albert Einstein's general theory of relativity, to statistical physics, where she used applied spinor analysis to rederive the result of Lars Onsager on the partition function of the two-dimensional Ising Model, and to the study of the Mössbauer effect, on which she collaborated with John von Neumann and Harry Lipkin. Pic. | ||1918: Bruria Kaufman born ... theoretical physicist. She is known for contributions to Albert Einstein's general theory of relativity, to statistical physics, where she used applied spinor analysis to rederive the result of Lars Onsager on the partition function of the two-dimensional Ising Model, and to the study of the Mössbauer effect, on which she collaborated with John von Neumann and Harry Lipkin. Pic. | ||
||1927: William Burnside dies ... mathematician. He is known mostly as an early researcher in the theory of finite groups. | ||1927: William Burnside dies ... mathematician. He is known mostly as an early researcher in the theory of finite groups. Pic. | ||
||1933: Leon Lichtenstein dies ... mathematician, who made contributions to the areas of differential equations, conformal mapping, and potential theory. He was also interested in theoretical physics, publishing research in hydrodynamics and astronomy. | ||1933: Leon Lichtenstein dies ... mathematician, who made contributions to the areas of differential equations, conformal mapping, and potential theory. He was also interested in theoretical physics, publishing research in hydrodynamics and astronomy. | ||
Revision as of 08:24, 18 July 2019
1560: The occurrence at the predicted time of a solar eclipse in Copenhagen turns Tycho Brahe towards a life of observational astronomy.
1660: Physician, mathematician, and engineer Hubert Gautier dies. He authored the first book on bridge building, Traité des Ponts, in 1716, as well as books on roads, fortifications, antiquities, geology, and a first manual for watercolor practitioners.
1910: Astrophysicist, astronomer, and mathematician Subrahmanyan Chandrasekhar born. He will share the 1983 Nobel Prize for Physics "for his theoretical studies of the physical processes of importance to the structure and evolution of the stars".
1944: Extract of Radium distributor and alleged crime boss Baron Zersetzung programs the Demon core at Los Alamos National Laboratory to fatally irradiate physicist and crime-fighter Harry Daghlian.
1945: Physicist Harry Daghlian is fatally irradiated in a criticality accident during an experiment with the Demon core at Los Alamos National Laboratory.
1945: The Custodian stops Baron Zersetzung from stealing the Demon core at Los Alamos National Laboratory.
1993: NASA loses contact with the Mars Observer.
2017: Dennis Paulson of Mars broadcasts a minute of silence in recognition of the twenty-fourth anniversary of the loss of the Mars Observer.
2018: Toilet Bowl on the White House Lawn created.