Template:Selected anniversaries/October 21: Difference between revisions
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||1980: Hans Asperger dies ... physician and psychologist. Pic. | ||1980: Hans Asperger dies ... physician and psychologist. Pic. | ||
||1995: Linda Goodman dies ... astrologer and author. Pic search. | |||
||1998: Nicholas Kemmer dies ... nuclear physicist working in Britain, who played an integral and leading edge role in United Kingdom's nuclear program. Pic. | ||1998: Nicholas Kemmer dies ... nuclear physicist working in Britain, who played an integral and leading edge role in United Kingdom's nuclear program. Pic. | ||
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||2011: George Daniels dies ... horologist who was considered to be the best in the world during his lifetime. He was one of the few modern watchmakers who built complete watches by hand (including the case and dial). But it was his creation of the coaxial escapement for which he is most remembered. The movement, which removed the need to add a lubricant, has been used by Omega in their highest-grade watches since 1999. Pic. https://en.wikipedia.org/wiki/George_Daniels_(watchmaker) | ||2011: George Daniels dies ... horologist who was considered to be the best in the world during his lifetime. He was one of the few modern watchmakers who built complete watches by hand (including the case and dial). But it was his creation of the coaxial escapement for which he is most remembered. The movement, which removed the need to add a lubricant, has been used by Omega in their highest-grade watches since 1999. Pic. https://en.wikipedia.org/wiki/George_Daniels_(watchmaker) | ||
||2017: Gilbert Stork dies ... organic chemist and academic. ... known for making significant contributions to the total synthesis of natural products, including a life-long fascination with the synthesis of quinine. In so doing he also made a number of contributions to mechanistic understanding of reactions, and performed pioneering work on enamine chemistry, leading to development of the Stork enamine alkylation. Pic search | ||2017: Gilbert Stork dies ... organic chemist and academic. ... known for making significant contributions to the total synthesis of natural products, including a life-long fascination with the synthesis of quinine. In so doing he also made a number of contributions to mechanistic understanding of reactions, and performed pioneering work on enamine chemistry, leading to development of the Stork enamine alkylation. Pic search. | ||
File:Green_Spiral_9.jpg|link=Green Spiral 9 (nonfiction)|2017: ''[[Green Spiral 9 (nonfiction)|Green Spiral 9]]'' feels more green than ever, according to new [[Chromatography (nonfiction)|chromatographic survey]]. | File:Green_Spiral_9.jpg|link=Green Spiral 9 (nonfiction)|2017: ''[[Green Spiral 9 (nonfiction)|Green Spiral 9]]'' feels more green than ever, according to new [[Chromatography (nonfiction)|chromatographic survey]]. | ||
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Revision as of 04:31, 10 April 2020
1687: Mathematician and theorist Nicolaus I Bernoulli born. He will introduce a successful resolution to the St. Petersburg paradox.
1768: Astronomer and adventurer Guillaume Le Gentil publicly accuses the House of Malevecchio of crimes against astronomical constants. The Malvecchians will back down from the encounter, but later secretly punish Le Gentil by creating overcast conditions on June 4, 1769.
1914: Mathematics and science writer Martin Gardner born. His interests will include stage magic, scientific skepticism, philosophy, religion, and literature.
1958: National Pareidolia Day declared in the United States.
1969: Mathematician and academic Wacław Sierpiński dies. He made important contributions to set theory (research on the axiom of choice and the continuum hypothesis), number theory, theory of functions, and topology.
2017: Green Spiral 9 feels more green than ever, according to new chromatographic survey.