Template:Selected anniversaries/March 30: Difference between revisions
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File:Robert Bunsen.jpg|link=Robert Bunsen (nonfiction)|1811: Chemist and academic [[Robert Bunsen (nonfiction)|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. | File:Robert Bunsen.jpg|link=Robert Bunsen (nonfiction)|1811: Chemist and academic [[Robert Bunsen (nonfiction)|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. | ||
||Stephen Groombridge FRS (d. 30 March 1832) was a British merchant and astronomer. | |||
||1842 – Ether anesthesia is used for the first time, in an operation by the American surgeon Dr. Crawford Long. | ||1842 – Ether anesthesia is used for the first time, in an operation by the American surgeon Dr. Crawford Long. | ||
Revision as of 08:36, 1 December 2017
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.