Template:Selected anniversaries/May 13: Difference between revisions
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||1975: Marguerite Perey dies ... physicist and chemist ... she discovered the element francium by purifying samples of lanthanum that contained actinium. Pic. | ||1975: Marguerite Perey dies ... physicist and chemist ... she discovered the element francium by purifying samples of lanthanum that contained actinium. Pic. | ||
||1985: Revaz Dogonadze dies ... chemist and physicist. He was the first to view a chemical electron-transfer process as a quantum-mechanical transition between two separate electronic states, induced by weak electrostatic interactions between the molecular entities represented by the states. Pic search: https://en.wikipedia.org/wiki/Revaz_Dogonadze | |||
||1985: Police release a bomb on MOVE headquarters in Philadelphia to end a stand-off, killing six adults and five children, and destroying the homes of 250 city residents. | ||1985: Police release a bomb on MOVE headquarters in Philadelphia to end a stand-off, killing six adults and five children, and destroying the homes of 250 city residents. |
Revision as of 07:44, 21 November 2019
1713: Mathematician, astronomer, and geophysicist Alexis Clairaut born. His work will help to establish the validity of the principles and results that Sir Isaac Newton had outlined in the Principia of 1687.
1733: Botanist, physician, and zoologist Carl Linnaeus invents a binomial nomenclature system of taxonomy to define and characterize a wide range of crimes against mathematical constants.
1762: First use of Japanese rod calculus to confirm the APTO Accords.
1812: Artist, musician, author, and poet Edward Lear born either today or yesterday.
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1849: Lou Blonger born ... Wild West saloonkeeper, gambling-house owner, and mine speculator, but is best known as the kingpin of an extensive ring of confidence tricksters that operated for more than 25 years in Denver, Colorado. His "Million-Dollar Bunco Ring" was brought to justice in a famous trial in 1923. Pic.
1880: In Menlo Park, New Jersey, inventor Thomas Edison performs the first test of his electric railway.
1929: Electrical engineer and inventor Arthur Scherbius dies. He invented and patented the famous mechanical cipher Enigma machine.
1937: Writer Roger Zelazny born. He will win the Nebula award three times, and the Hugo award six times.
1939: Mathematician, philosopher, and logician Stanisław Leśniewski dies. He posited three nested formal systems, to which he will give the Greek-derived names of protothetic, ontology, and mereology.
2018: Green City Skyline voted Picture of the Day by the citizens of New Minneapolis, Canada.