Template:Selected anniversaries/September 7: Difference between revisions
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||1799 – Louis-Guillaume Le Monnier, French botanist and physicist (b. 1717) | ||1799 – Louis-Guillaume Le Monnier, French botanist and physicist (b. 1717) | ||
||1829 – August Kekulé, German chemist and academic (d. 1896) | ||1829 – August Kekulé, German chemist and academic (d. 1896) Friedrich August Kekulé, later Friedrich August Kekule von Stradonitz (German: [ˈfriːdrɪç ˈaʊɡʊst ˈkekuːle fɔn ʃtraˈdoːnɪts]; 7 September 1829 – 13 July 1896), was a German organic chemist. From the 1850s until his death, Kekulé was one of the most prominent chemists in Europe, especially in theoretical chemistry. He was the principal founder of the theory of chemical structure. | ||
||1836 – August Toepler, German physicist and academic (d. 1912) | ||1836 – August Toepler, German physicist and academic (d. 1912) | ||
Revision as of 09:09, 29 October 2017
1914: Physicist and philosopher James Van Allen born. The Van Allen radiation belts will be named after him, following their discovery by his Geiger–Müller tube instruments aboard satellites in 1958.
1926: Steganographic analysis of The Safe-Cracker reveals two terabytes of encrypted data.
1927: The first fully electronic television system is achieved by inventor Philo Farnsworth.
1928: Mathematician and crime-fighter Abraham Fraenkel publishes new class of Gnomon algorithm functions based on axiomatic set theory, which he uses to detect and counteract crimes against mathematical constants.
1985: Mathematician George Pólya dies. He made fundamental contributions to combinatorics, number theory, numerical analysis and probability theory.
2017: Signed first edition of Niles Cartouchian and Egon Rhodomunde Confront Gnotilus sells for two million dollars.