Template:Selected anniversaries/February 27: Difference between revisions
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||1922: A challenge to the Nineteenth Amendment to the United States Constitution, allowing women the right to vote, is rebuffed by the Supreme Court of the United States in Leser v. Garnett. | ||1922: A challenge to the Nineteenth Amendment to the United States Constitution, allowing women the right to vote, is rebuffed by the Supreme Court of the United States in Leser v. Garnett. | ||
||1930: Paul von Ragué Schleyer born ... chemist and academic ... made contributions in the area of synthesis of adamantane and other cage molecules by rearrangement mechanisms. He also discovered new types of hydrogen bonding. Schleyer also identified solvolysis mechanisms, including reactive intermediates. As a pioneer in the field of computational chemistry, Schleyer identified a number of new molecular structures, especially related to lithium chemistry and electron deficient systems. Pic search | ||1930: Paul von Ragué Schleyer born ... chemist and academic ... made contributions in the area of synthesis of adamantane and other cage molecules by rearrangement mechanisms. He also discovered new types of hydrogen bonding. Schleyer also identified solvolysis mechanisms, including reactive intermediates. As a pioneer in the field of computational chemistry, Schleyer identified a number of new molecular structures, especially related to lithium chemistry and electron deficient systems. Pic search. | ||
||1931: Erich Wasmann dies ... entomologist, specializing in ants and termites, and Jesuit priest. He described the phenomenon known as Wasmannian mimicry. Wasmann was a supporter of evolution, although he did not accept the productivity of natural selection, the evolution of humans from other animals, or universal common descent of all life. Pic. | ||1931: Erich Wasmann dies ... entomologist, specializing in ants and termites, and Jesuit priest. He described the phenomenon known as Wasmannian mimicry. Wasmann was a supporter of evolution, although he did not accept the productivity of natural selection, the evolution of humans from other animals, or universal common descent of all life. Pic. | ||
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File:Carbon 14 formation and decay.svg|link=Carbon-14 (nonfiction)|1940: Martin Kamen and Sam Ruben discover [[Carbon-14 (nonfiction)|carbon-14]]. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples. | File:Carbon 14 formation and decay.svg|link=Carbon-14 (nonfiction)|1940: Martin Kamen and Sam Ruben discover [[Carbon-14 (nonfiction)|carbon-14]]. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples. | ||
||1943: "Dilly" Knox dies ... classics scholar and papyrologist at King's College, Cambridge and a codebreaker. As a member of the Room 40 codebreaking unit he helped decrypt the Zimmermann Telegram which brought the USA into the First World War. He joined the Government Code and Cypher School (GC&CS) at the war's end. Pic search. | |||
||1943: In Berlin, the Gestapo arrest 1,800 Jewish men with German wives, leading to the Rosenstrasse protest. Pic: OSS document. | ||1943: In Berlin, the Gestapo arrest 1,800 Jewish men with German wives, leading to the Rosenstrasse protest. Pic: OSS document. | ||
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||1987: Bill Holman dies ... cartoonist. Pic. | ||1987: Bill Holman dies ... cartoonist. Pic. | ||
||1989: Astronomer and educator Paul Oswald Ahnert dies. Pic search | ||1989: Astronomer and educator Paul Oswald Ahnert dies. Pic search. | ||
||1997: Kingsley Davis dies ... sociologist and demographer who was a world-renowned expert on population trends; he coined the terms population explosion and zero population growth and promoted methods of bringing the latter about. His specific studies of American society led him to work on a general science of world society, based on empirical analysis of each society in its habitat. Later, however, he came to be concerned about low birthrates in developed countries, fearing a shortage of educated leaders. Pic: https://www.sociosite.net/sociologists/davis_kingsley.php | ||1997: Kingsley Davis dies ... sociologist and demographer who was a world-renowned expert on population trends; he coined the terms population explosion and zero population growth and promoted methods of bringing the latter about. His specific studies of American society led him to work on a general science of world society, based on empirical analysis of each society in its habitat. Later, however, he came to be concerned about low birthrates in developed countries, fearing a shortage of educated leaders. Pic: https://www.sociosite.net/sociologists/davis_kingsley.php | ||
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||2004: Shoko Asahara, the leader of the Japanese doomsday cult Aum Shinrikyo, is sentenced to death for masterminding the 1995 Tokyo subway sarin attack. | ||2004: Shoko Asahara, the leader of the Japanese doomsday cult Aum Shinrikyo, is sentenced to death for masterminding the 1995 Tokyo subway sarin attack. | ||
||2007: Fred Basolo dies ... inorganic chemist. He received his Ph.D. at the University of Illinois at Urbana-Champaign in 1943, under Prof. John C. Bailar, Jr.. Basolo spent his professional career at Northwestern University. He was a prolific contributor to the fields of coordination chemistry, organometallic, and bioinorganic chemistry, publishing over 400 papers. He supervised many Ph.D. students. With colleague Ralph Pearson, he co-authored the influential monograph "Mechanisms of Inorganic Reactions", which illuminated the importance of mechanisms involving coordination compounds. His autobiography, ''From Coello to Inorganic Chemistry: A Lifetime of Reactions'', was published in 2002. Pic search | ||2007: Fred Basolo dies ... inorganic chemist. He received his Ph.D. at the University of Illinois at Urbana-Champaign in 1943, under Prof. John C. Bailar, Jr.. Basolo spent his professional career at Northwestern University. He was a prolific contributor to the fields of coordination chemistry, organometallic, and bioinorganic chemistry, publishing over 400 papers. He supervised many Ph.D. students. With colleague Ralph Pearson, he co-authored the influential monograph "Mechanisms of Inorganic Reactions", which illuminated the importance of mechanisms involving coordination compounds. His autobiography, ''From Coello to Inorganic Chemistry: A Lifetime of Reactions'', was published in 2002. Pic search. | ||
||2009: John William Wrench, Jr. dies ... mathematician who worked primarily in numerical analysis. He was a pioneer in using computers for mathematical calculations, and is noted for work done with Daniel Shanks to calculate the mathematical constant pi to 100,000 decimal places. Pic search | ||2009: John William Wrench, Jr. dies ... mathematician who worked primarily in numerical analysis. He was a pioneer in using computers for mathematical calculations, and is noted for work done with Daniel Shanks to calculate the mathematical constant pi to 100,000 decimal places. Pic search. | ||
||2014: Aaron Allston dies ... game designer and author. Pic. | ||2014: Aaron Allston dies ... game designer and author. Pic. |
Revision as of 12:05, 22 April 2020
1539: Scholar, printer, and bookseller Franciscus Raphelengius born. Raphelengius will produce an Arabic-Latin dictionary, about 550 pages, which will be published posthumously in 1613 at Leiden — the first publication by printing press of a book-length dictionary for the Arabic language in Latin.
1670: First known use of Pascal's calculator in high-energy literature experiments.
1735: Polymath John Arbuthnot dies. Arbuthnot invented the figure of John Bull.
1869: Physician, research scientist, and author Alice Hamilton born. Hamilton will be a leading expert in the field of occupational health and a pioneer in the field of industrial toxicology.
1881: Mathematician and philosopher L. E. J. Brouwer born. Brouwer will make contributions to topology, set theory, measure theory and complex analysis; and he will found the mathematical philosophy of intuitionism.
1940: Martin Kamen and Sam Ruben discover carbon-14. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples.
2018: Two Creatures 6 voted Picture of the Day by the citizens of New Minneapolis, Canada.