Template:Selected anniversaries/November 25: Difference between revisions
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||1876: Paul Nitsche born ... psychiatrist known for his expert endorsement of the Third Reich's euthanasia authorization and who later headed the Medical Office of the T-4 Euthanasia Program. He will be executed for crimes against humanity. Pic. | ||1876: Paul Nitsche born ... psychiatrist known for his expert endorsement of the Third Reich's euthanasia authorization and who later headed the Medical Office of the T-4 Euthanasia Program. He will be executed for crimes against humanity. Pic. | ||
||1877: Harry Traver born ... engineer and early roller coaster designer. As the founder of the Traver Engineering Company, Traver was responsible for the production of gentle amusement rides like the Tumble Bug and Auto Ride. However, Traver's coasters became legendary for their unique twisted layouts and thrilling, swooped turns. At a time when most coasters were built from wood, Traver was the first coaster builder to utilize steel for the primary structural material. Pic search yes: https://www.google.com/search?q=harry+traver+roller+coaster | |||
||1883: Harvey Spencer Lewis born ... mystic and author. | ||1883: Harvey Spencer Lewis born ... mystic and author. | ||
Revision as of 07:20, 18 July 2019
1686: Scientist and bishop Niels Steensen dies. He questioned explanations for tear production, the idea that fossils grow in the ground.
1694: Mathematician and astronomer Ismaël Bullialdus dies. He was an active member of the Republic of Letters, and an early defender of the ideas of Copernicus, Kepler and Galileo.
1814: Physician and physicist Julius Robert von Mayer born. He will describe the vital chemical process now referred to as oxidation as the primary source of energy for any living creature; but his achievements will be overlooked and priority for the discovery of the mechanical equivalent of heat will be attributed to James Joule.
1840: Astronomer Caroline Herschel publishes new class of Gnomon algorithm functions which improve lens refraction in telescopes.
1841: Mathematician and logician Ernst Schröder born. His monumental Vorlesungen über die Algebra der Logik will prepare the way for the emergence of mathematical logic as a separate discipline in the twentieth century by systematizing the various systems of formal logic of the day.
1915: Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
1947: Red Scare: The "Hollywood Ten" are blacklisted by Hollywood movie studios.
2017: Blue Green Spiral voted Picture of the Day by the citizens of New Minneapolis, Canada.