Template:Selected anniversaries/March 20: Difference between revisions

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||1857: François Sulpice Beudant dies ... mineralogist, geologist, and academic. He wrote on geology and mining, as well as the physical and chemical properties of minerals, and built up the mineralogical collection of the Muséum National d'Histoire Naturelle into one of the world's best.  Pic.
||1857: François Sulpice Beudant dies ... mineralogist, geologist, and academic. He wrote on geology and mining, as well as the physical and chemical properties of minerals, and built up the mineralogical collection of the Muséum National d'Histoire Naturelle into one of the world's best.  Pic.
File:Ernst Schroeder.jpg|link=Ernst Schröder (nonfiction)|1877: Mathematician and logician [[Ernst Schröder (nonfiction)|Ernst Schröder]] systematizes various systems of formal logic in a successful effort to prevent [[crimes against mathematical constants]].


File:Julius Robert Mayer.jpg|link=Julius von Mayer (nonfiction)|1878: Physician and physicist [[Julius von Mayer (nonfiction)|Julius Robert von Mayer]] dies. In 1842, Mayer described the vital chemical process now referred to as oxidation as the primary source of energy for any living creature. His achievements were overlooked and priority for the discovery of the mechanical equivalent of heat was attributed to James Joule in the following year.
File:Julius Robert Mayer.jpg|link=Julius von Mayer (nonfiction)|1878: Physician and physicist [[Julius von Mayer (nonfiction)|Julius Robert von Mayer]] dies. In 1842, Mayer described the vital chemical process now referred to as oxidation as the primary source of energy for any living creature. His achievements were overlooked and priority for the discovery of the mechanical equivalent of heat was attributed to James Joule in the following year.

Revision as of 02:29, 20 March 2020