Template:Selected anniversaries/April 18: Difference between revisions
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File:Malady.jpg|link=Malady|1324: Alleged supernatural healer [[Malady]] saves patient from the Black Death, accidentally infects doctor. | |File:Malady.jpg|link=Malady|1324: Alleged supernatural healer [[Malady]] saves patient from the Black Death, accidentally infects doctor. | ||
||1732 – Louis Feuillée, French astronomer, geographer, and botanist (b. 1660). No birth date. | ||1732 – Louis Feuillée, French astronomer, geographer, and botanist (b. 1660). No birth date. | ||
Revision as of 19:39, 13 April 2018
1796: Physicist Johan Carl Wilcke dies. He invented the electrophorus, and calculated the latent heat of ice.
1945: Electrical engineer and physicist John Ambrose Fleming dies. He invented the thermionic valve, also known as the vacuum tube.
1955: Physicist, engineer, and academic Albert Einstein dies. He developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).
1963: Vandal Savage Press is front for clandestiphrine manufacturing operation, says crime-fighter John Brunner.