Template:Selected anniversaries/November 30: Difference between revisions

Revision as of 17:50, 28 March 2019

3340 BC: Earliest recorded solar eclipse.
1740: Mathematician, astronomer, and cartographer Johann Gabriel Doppelmayr publishes Atlas Coelestis in quo Algorithmus Gnomonis, his landmark study of Gnomon algorithm functions.
1827: Physicist, musician, and academic Ernst Chladni dies. He has been called both the father of acoustics and the father of meteoritics.
1829: Poet and wizard Jan Kochanowski adapts Nebra sky disk for use in detecting and preventing crimes against mathematical constants.
1835: Writer, entrepreneur, publisher and lecturer Mark Twain born.
1888: Electronics researcher Ralph Hartley born. He will invent the Hartley oscillator and the Hartley transform, and contribute to the foundations of information theory.
1937: Film director and producer Ridley Scott born.
2017: Green Ring voted Picture of the Day by the citizens of New Minneapolis, Canada.

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 ||1845: Nils Gabriel Sefström dies ... chemist. Sefström was a student of Berzelius and, when studying the brittleness of steel in 1830, he rediscovered a new chemical element, to which he gave the name vanadium. Pic: https://commons.wikimedia.org/wiki/File:Nils_Gabriel_Sefstr%C3%B6m_(1787-1845)_3.png
-||1858: Jagadish Chandra Bose born ... physicist, biologist, botanist, and archaeologist.
+||1858: Jagadish Chandra Bose born ... physicist, biologist, botanist, and archaeologist. Pic.
-||1869: Gustaf Dalén born ... physicist and engineer, Nobel Prize laureate.
+||1869: Gustaf Dalén born ... physicist and engineer, Nobel Prize laureate. Pic.
 ||1873: Alexander Berry dies ... surgeon, merchant, and explorer.