Template:Selected anniversaries/August 19: Difference between revisions
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||1940: First flight of the B-25 Mitchell medium bomber. | ||1940: First flight of the B-25 Mitchell medium bomber. | ||
||1943: The Quebec Agreement signed ... was an agreement between the United Kingdom and the United States outlining the terms for the coordinated development of the science and engineering related to nuclear energy, and, specifically nuclear weapons. It was signed by Winston Churchill and Franklin D. Roosevelt on 19 August 1943, during World War II, at the Quadrant Conference in Quebec City, Quebec, Canada. Pic (to exploit). | |||
||1947: The first full synthesis route for vitamin A was found by Dutch chemists, Jozef Ferdinand Arens and David Adriaan van Dorp. Later in 1947, a team headed by O. Isler also synthesized vitamin A using a method more suitable to produce commerical quantities. | ||1947: The first full synthesis route for vitamin A was found by Dutch chemists, Jozef Ferdinand Arens and David Adriaan van Dorp. Later in 1947, a team headed by O. Isler also synthesized vitamin A using a method more suitable to produce commerical quantities. | ||
Revision as of 17:37, 28 November 2018
1662: Mathematician, physicist, inventor, writer, and Christian philosopher Blaise Pascal dies. He did pioneering work on calculating machines.
1758: Jean-Étienne Montucla received the censor's approbation for his Histoire des mathematiques, which is justly famous as a history of the mathematical sciences.
1822: Mathematician and astronomer Jean Baptiste Joseph Delambre dies. He was one of the first astronomers to derive astronomical equations from analytical formulas.
1823: Red Eyes Fighting depicts martial artist and crime-fighter Red Eyes breaking up a math lab.
1906: Inventor Philo Farnsworth born. He will make many crucial contributions to the early development of all-electronic television.
1923: Engineer, sociologist, economist, political scientist, and philosopher Vilfredo Pareto dies. He applied mathematics to economic analysis, asserting that the distribution of incomes and wealth in society is not random and that a consistent pattern appears throughout history, in all parts of the world and in all societies.
1967: Inventor, writer, editor, and publisher Hugo Gernsback dies. He published the first science fiction magazine, and had a profound influence on the development of science fiction.
1993: Actor-cryptographer Niles Cartouchian confirms that he personally designed the computational security protocols featured in the action-adventure film Dard Hunter, Glyph Warden.
1994: Chemist, biochemist, peace activist, author, and educator Linus Pauling dies.
2015: A giant red ball breaks loose from an art installation and rolls down the street in Toledo, Ohio.
2018: Mathematicians use Complex analysis to reveal new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.