Template:Selected anniversaries/April 9: Difference between revisions

Revision as of 06:19, 12 July 2019

1770: Physicist and academic Thomas Johann Seebeck born. He will discover the thermoelectric effect.
1805: Mathematician and crime-fighter Joseph-Louis Lagrange delivers lecture on applications of number theory to the detection and prevention of crimes against mathematical constants.
1860: On his phonautograph machine, Édouard-Léon Scott de Martinville makes the oldest known recording of an audible human voice. A visual recording of audio data, it will first be played back in 2008.
1864: Engineer and physicist Wilhelm Röntgen uses X-rays generator to expose loaded dice, reveals organized math crime cartel in casinos around the world.
1865: Mathematician and electrical engineer Charles Proteus Steinmetz born. He will foster the development of alternating current, formulating mathematical theories which will advance the expansion of the electric power industry in the United States.
1917: Mathematician and philosopher Georg Cantor publishes new theory of sets derived from Gnomon algorithm functions. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing crimes against mathematical constants."
1978: Musician and alleged math criminal Skip Digits performs at the Kennedy Center for the Arts.
2018: Green Tangle voted Picture of the Day by the citizens of New Minneapolis, Canada.

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 ||1883: Frank King born ... cartoonist ''Gasoline Alley''. Pic.
-||1889: Michel Eugène Chevreul dies ... chemist and academic.
+||1889: Michel Eugène Chevreul dies ... chemist and academic ... worked with fatty acids led to early applications in the fields of art and science. He is credited with the discovery of margaric acid, creatine, and designing an early form of soap made from animal fats and salt. He lived to 102 and was a pioneer in the field of gerontology. Pic (cool).
 ||1894: Cypra Cecilia Krieger-Dunaij born ... mathematician ... well known for having translated two works of Wacław Sierpiński in general topology. Pic.