Template:Selected anniversaries/December 12: Difference between revisions

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File:Henrietta Swan Leavitt.jpg|link=Henrietta Swan Leavitt (nonfiction)|1921: Astronomer [[Henrietta Swan Leavitt (nonfiction)|Henrietta Swan Leavitt]] dies. She discovered the relation between the luminosity and the period of Cepheid variable stars.
File:Henrietta Swan Leavitt.jpg|link=Henrietta Swan Leavitt (nonfiction)|1921: Astronomer [[Henrietta Swan Leavitt (nonfiction)|Henrietta Swan Leavitt]] dies. She discovered the relation between the luminosity and the period of Cepheid variable stars.
||1927: Seymour Ginsburg born ... pioneer of automata theory, formal language theory, and database theory, in particular; and computer science, in general. His work was influential in distinguishing theoretical Computer Science from the disciplines of Mathematics and Electrical Engineering. No pic online.


||1927: Robert Norton Noyce born ... engineer who co-founded Fairchild Semiconductor in 1957 and Intel Corporation in 1968. He is also credited (along with Jack Kilby) with the realization of the first integrated circuit or microchip that fueled the personal computer revolution and gave Silicon Valley its name. Pic.
||1927: Robert Norton Noyce born ... engineer who co-founded Fairchild Semiconductor in 1957 and Intel Corporation in 1968. He is also credited (along with Jack Kilby) with the realization of the first integrated circuit or microchip that fueled the personal computer revolution and gave Silicon Valley its name. Pic.

Revision as of 05:33, 26 August 2018

  • 1204: Rabbi, philosopher, astronomer, and physician Maimonides dies.

    1204: Rabbi, philosopher, astronomer, and physician Maimonides dies.

  • 1685: Mathematician John Pell dies. He expanded the scope of algebra in the theory of equations.

    1685: Mathematician John Pell dies. He expanded the scope of algebra in the theory of equations.

  • 1705: Inventor and priest Bartolomeu de Gusmão's uses Gnomon algorithm to communicate with John Pell.

    1705: Inventor and priest Bartolomeu de Gusmão's uses Gnomon algorithm to communicate with John Pell.

  • 1862: USS Cairo sinks on the Yazoo River, becoming the first armored ship to be sunk by an electrically detonated mine.

    1862: USS Cairo sinks on the Yazoo River, becoming the first armored ship to be sunk by an electrically detonated mine.

  • 1901: Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.

    1901: Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.

  • 1921: Astronomer Henrietta Swan Leavitt dies. She discovered the relation between the luminosity and the period of Cepheid variable stars.

    1921: Astronomer Henrietta Swan Leavitt dies. She discovered the relation between the luminosity and the period of Cepheid variable stars.

  • 1994: Diagram of public-key cryptography generation sell for 1.7 million dollars.

    1994: Diagram of public-key cryptography generation sell for 1.7 million dollars.

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