Template:Selected anniversaries/November 25: Difference between revisions
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File:Niels Steensen.png|link=Niels Steensen (nonfiction)|1686: Scientist and bishop [[Niels Steensen (nonfiction)|Niels Steensen]] dies. He questioned explanations for tear production, the idea that fossils grow in the ground. | File:Niels Steensen.png|link=Niels Steensen (nonfiction)|1686: Scientist and bishop [[Niels Steensen (nonfiction)|Niels Steensen]] dies. He questioned explanations for tear production, the idea that fossils grow in the ground. | ||
||1694: Ismaël Bullialdus dies . | File:Ismaël Boulliau.jpg|link=Ismaël Bullialdus (nonfiction)|1694: Mathematician and astronomer [[Ismaël Bullialdus (nonfiction)|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. | ||
||1703 | ||1703: Jean-François Séguier born ... astronomer and botanist. | ||
||1753 | ||1753: Robert Townsend born ... American spy. | ||
||1775: Gustaf Gabriel Hällström born ... was a Finnish scientist. He was active in several fields, contributing to the establishment of an astronomical observatory in Turku as well as initiating the earliest systematic meteorological observations in Finland. Pic. | ||1775: Gustaf Gabriel Hällström born ... was a Finnish scientist. He was active in several fields, contributing to the establishment of an astronomical observatory in Turku as well as initiating the earliest systematic meteorological observations in Finland. Pic. | ||
Revision as of 20:35, 27 September 2018
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.