Template:Selected anniversaries/July 12: Difference between revisions
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||1863 – Paul Drude, German physicist and academic (d. 1906) In 1894 he was responsible for introducing the symbol "c" for the speed of light in a perfect vacuum. | ||1863 – Paul Drude, German physicist and academic (d. 1906) In 1894 he was responsible for introducing the symbol "c" for the speed of light in a perfect vacuum. | ||
||1868: born Henri Abraham ... was a French physicist who made important contributions to the science of radio waves. He performed some of the first measurements of the propagation velocity of radio waves, helped develop France's first triode vacuum tube, and with Eugene Bloch invented the astable multivibrator. | |||
||Georg Adolf Erman (d. 12 July 1877) was a German physicist. | ||Georg Adolf Erman (d. 12 July 1877) was a German physicist. | ||
Revision as of 10:22, 18 February 2018
1854: George Eastman born. He will found the Eastman Kodak Company and popularize the use of roll film, helping to bring photography to the mainstream.
1917: The Bisbee Deportation: vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona.
1922: Signed first edition of Gambling Den Fight sells for "fifty thousand dollars and an apology."
1935: Alfred Dreyfus dies. He was wrongly convicted of treason during the Dreyfus affair.
1967: Mathematician Edward Lorenz uses Gnomon algorithm to reveal previously secret crimes against mathematical constants.
