Template:Selected anniversaries/May 1: Difference between revisions
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||1878 – Anselme Payen, French chemist and academic (b. 1795) | ||1878 – Anselme Payen, French chemist and academic (b. 1795) | ||
||Eduard Schönfeld (d. May 1, 1891) was a German astronomer. | |||
File:Herman_Hollerith.jpg|link=Herman Hollerith (nonfiction)|1891: Inventor [[Herman Hollerith (nonfiction)|Herman Hollerith]] uses census data to predict and prevent [[crimes against mathematical constants]]. | File:Herman_Hollerith.jpg|link=Herman Hollerith (nonfiction)|1891: Inventor [[Herman Hollerith (nonfiction)|Herman Hollerith]] uses census data to predict and prevent [[crimes against mathematical constants]]. | ||
Revision as of 08:14, 28 November 2017
1825: Mathematician and physicist Johann Jakob Balmer born. He will develop an empirical formula for the visible spectral lines of the hydrogen atom.
1891: Inventor Herman Hollerith uses census data to predict and prevent crimes against mathematical constants.
1960: Cold War: U-2 incident: Francis Gary Powers, in a Lockheed U-2 spyplane, is shot down over the Soviet Union, sparking a diplomatic crisis.
1961: Scientist and combat surgeon Asclepius Myrmidon warns that U-2 incident may have released a new class of crimes against mathematical constants.
1970: Electronics researcher Ralph Hartley dies. He invented the Hartley oscillator and the Hartley transform, and contributed to the foundations of information theory.