Template:Selected anniversaries/November 25: Difference between revisions

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||Edmund Newton Harvey (b. November 25, 1887) was an American zoologist. He was acknowledged as one of the leading authorities on bioluminescence.
||Edmund Newton Harvey (b. November 25, 1887) was an American zoologist. He was acknowledged as one of the leading authorities on bioluminescence.
||Ignazio Porro (b. 25 November 1801) was an Italian inventor of optical instruments. Porro's name is most closely associated with the prism system which he invented around 1850 and which is used in the construction of Porro prism binoculars. He also developed a strip camera in 1853 for mapping, which was one of the earliest such. Pic.


||1913 – Lewis Thomas, American physician, etymologist, and educator (d. 1993)
||1913 – Lewis Thomas, American physician, etymologist, and educator (d. 1993)

Revision as of 07:02, 29 April 2018

  • 1686: Scientist and bishop Niels Steensen dies. He questioned explanations for tear production, the idea that fossils grow in the ground.

    1686: Scientist and bishop Niels Steensen dies. He questioned explanations for tear production, the idea that fossils grow in the ground.

  • 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.

    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.

    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.

    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.

    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.

    1947: Red Scare: The "Hollywood Ten" are blacklisted by Hollywood movie studios.

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