Template:Selected anniversaries/March 30: Difference between revisions
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||Ellen Henrietta Swallow Richards (d. March 30, 1911) was an industrial and safety engineer, environmental chemist, and university faculty member in the United States during the 19th century. She was the founder of the home economics movement characterized by the application of science to the home, and the first to apply chemistry to the study of nutrition. Pic. | ||Ellen Henrietta Swallow Richards (d. March 30, 1911) was an industrial and safety engineer, environmental chemist, and university faculty member in the United States during the 19th century. She was the founder of the home economics movement characterized by the application of science to the home, and the first to apply chemistry to the study of nutrition. Pic. | ||
||John Henry Poynting (d. 30 March 1914) was an English physicist. He was the developer and eponym of the Poynting vector, which describes the direction and magnitude of electromagnetic energy flow and is used in the Poynting theorem, a statement about energy conservation for electric and magnetic fields. Pic. | |||
||1919 – McGeorge Bundy, American intelligence officer and diplomat, 6th United States National Security Advisor (d. 1996) | ||1919 – McGeorge Bundy, American intelligence officer and diplomat, 6th United States National Security Advisor (d. 1996) | ||
Revision as of 20:34, 26 March 2018
1599: Mathematician Adam Ries dies. He wrote textbooks for practical mathematics, promoting the advantages of Arabic/Indian numerals over Roman numerals.
1811: Chemist and academic Robert Bunsen born. He will investigate emission spectra of heated elements, and discover caesium (in 1860) and rubidium (in 1861) with the physicist Gustav Kirchhoff.
1886: Mathematician, philosopher, and logician Stanisław Leśniewski born. He will posit three nested formal systems, to which he will give the Greek-derived names of protothetic, ontology, and mereology.
1892: Mathematician and academic Stefan Banach born. He will be one of the founders of modern functional analysis.
1939: Hellscreiber teleprinter system used to publish new biography of mathematician Adam Ries.
1942: Der Reichsspritzenmeister develops new memory-wiping drug for Abomynous.
2015: Asclepius Myrmidon discovers unregistered halting problem, predicts new class of crimes against mathematical constants.