Template:Selected anniversaries/March 20: Difference between revisions

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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: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.
File:Ursa Nano.jpg|link=Ursa Nano (nonfiction)|''[[Ursa Nano (nonfiction)|Ursa Nano]]'' is declared Picture of the Day.
File:C. Wright Mills.jpg|link=C. Wright Mills (nonfiction)|1962: Sociologist and author [[C. Wright Mills (nonfiction)|C. Wright Mills]] dies. He was published widely in popular and intellectual journals, advocating public and political engagement over disinterested observation.
 
File:Ursa Nano.jpg|link=Ursa Nano (nonfiction)|2017: ''[[Ursa Nano (nonfiction)|Ursa Nano]]'' is declared Picture of the Day.
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Revision as of 09:16, 4 July 2017