Template:Selected anniversaries/April 7: Difference between revisions
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||1933 – Prohibition in the United States is repealed for beer of no more than 3.2% alcohol by weight, eight months before the ratification of the XXI amendment. (Now celebrated as National Beer Day in the United States of America) | ||1933 – Prohibition in the United States is repealed for beer of no more than 3.2% alcohol by weight, eight months before the ratification of the XXI amendment. (Now celebrated as National Beer Day in the United States of America) | ||
||Ernst Paul Heinz Pruefer (d. 7 April 1934) was a German Jewish mathematician born in Wilhelmshaven. His major contributions were on abelian groups, algebraic numbers, knot theory and Sturm–Liouville theory. Pic. | |||
||Lazăr Edeleanu (d. 7 April 1941) was a Romanian chemist of Jewish origin. He is known for being the first chemist to synthesize amphetamine at the University of Berlin and for inventing the modern method of refining crude oil. | ||Lazăr Edeleanu (d. 7 April 1941) was a Romanian chemist of Jewish origin. He is known for being the first chemist to synthesize amphetamine at the University of Berlin and for inventing the modern method of refining crude oil. | ||
Revision as of 07:58, 4 February 2018
1761: Mathematician, philosopher, and minister Thomas Bayes dies. He is remembered for having formulated a specific case of the theorem that bears his name: Bayes' theorem.
1789: Mathematician and physicist Joseph Fourier uses early version of Fourier series analysis to detect and prevent crimes against mathematical constants.
1811: Astronomer, mathematician, and philosopher Hasan Tahsini born. He will become one of the most prominent scholars of the Ottoman Empire of the 19th century.
1833: Gem detective Niles Cartouchian works with Hasan Tahsini to recover stolen shipment of time crystals (nonfiction).
1889: Mathematician Paul David Gustav du Bois-Reymond dies. He worked on the theory of functions and in mathematical physics.
1899: Physicist and academic Petrus Leonardus Rijke dies. He explored the physics of electricity, and is known for the Rijke tube (which turns heat into sound, by creating a self-amplifying standing wave).