Template:Selected anniversaries/March 18: Difference between revisions

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||1862: Dorr Felt born ... inventor and industrialist who was known for having invented the Comptometer, an early computing device, and the Comptograph, the first printing adding machine.  Pic.
||1862: Dorr Felt born ... inventor and industrialist who was known for having invented the Comptometer, an early computing device, and the Comptograph, the first printing adding machine.  Pic.


||1871: Augustus De Morgan dies ... mathematician and academic ... formulated De Morgan's laws and introduced the term mathematical induction, making its idea rigorous. Pic.
|link=Augustus De Morgan (nonfiction)|1871: Mathematician and academic [[Augustus De Morgan (nonfiction)|Augustus De Morgan]] dies. De Morgan formulated his namesake laws and introduced the term mathematical induction, making its idea rigorous.


||1877: Edgar Cayce born ... mystic and psychic. Pic.
||1877: Edgar Cayce born ... mystic and psychic. Pic.
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||1895: Ion Barbu born ... mathematician and poet. Pic.
||1895: Ion Barbu born ... mathematician and poet. Pic.
File:Curie_and_radium_by_Castaigne.jpg|link=Radium (nonfiction)|1899: Marie and Pierre Curie use [[Radium (nonfiction)|radium compounds]] to detect and counteract crimes against both [[Crimes against physical constants|physical constants]] and [[Crimes against chemical constants|chemical constants]].


||1905: Thomas Townsend Brown born ... physicist and engineer, ionic propulsion. Pic search.
||1905: Thomas Townsend Brown born ... physicist and engineer, ionic propulsion. Pic search.

Revision as of 11:05, 18 March 2020