Template:Selected anniversaries/April 18: Difference between revisions
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File:Johan Carl Wilcke.jpg|link=Johan Wilcke (nonfiction)|1796: Physicist [[Johan Wilcke (nonfiction)|Johan Carl Wilcke]] dies. He invented the electrophorus, and calculated the latent heat of ice. | File:Johan Carl Wilcke.jpg|link=Johan Wilcke (nonfiction)|1796: Physicist [[Johan Wilcke (nonfiction)|Johan Carl Wilcke]] dies. He invented the electrophorus, and calculated the latent heat of ice. | ||
||1813: James McCune Smith born ... physician, apothecary, abolitionist, and author. | ||1813: James McCune Smith born ... physician, apothecary, abolitionist, and author ... He used his training in medicine and statistics to refute common misconceptions about race, intelligence, medicine, and society in general. Invited as a founding member of the New York Statistics Society in 1852, which promoted a new science, he was elected as a member in 1854 of the recently founded American Geographic Society. But he was never admitted to the American Medical Association or local medical associations ... also an abolitionist. Pic. | ||
||1838: Paul-Émile Lecoq de Boisbaudran dies ... chemist known for his discoveries of the chemical elements gallium, samarium and dysprosium. Pic. | ||1838: Paul-Émile Lecoq de Boisbaudran dies ... chemist known for his discoveries of the chemical elements gallium, samarium and dysprosium. Pic. | ||
Revision as of 18:06, 27 February 2019
1796: Physicist Johan Carl Wilcke dies. He invented the electrophorus, and calculated the latent heat of ice.
1860: Mathematician Karl Mikhailovich Peterson uses embedded hypersurfaces in a Euclidean space to locate and erase the Forbidden Ratio.
1891: Charles Sanders Peirce publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1907: Jazz drummer and theoretical physicist Albert Einstein hosts an all-star benefit concert to raise money for the rebuilding of San Francisco.
1945: Electrical engineer and physicist John Ambrose Fleming dies. He invented the thermionic valve, also known as the vacuum tube.
1946: Mathematician and academic Alice Beta writes a letter to Albert Einstein, warning Einstein that his theories are at risk from the so-called Forbidden Ratio and other criminal mathematical functions.
1955: Physicist, engineer, and academic Albert Einstein dies. He developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).
1963: Vandal Savage Press is front for clandestiphrine manufacturing operation, charges mathematician and detective Alice Beta.
2011: Mathematician Curt Meyer dies. He made notable contributions to number theory, including an alternative solution to the class number 1 problem, building on the original Stark–Heegner theorem.
2018: Signed first edition of Purple Racer unexpectedly develops artificial intelligence after being exposed to Cherenkov radiation during an unauthorized experiment in high-energy literature.
