Template:Selected anniversaries/December 12: Difference between revisions

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||Nelson James Dunford (b. December 12, 1906) was an American mathematician, known for his work in functional analysis, namely integration of vector valued functions, ergodic theory, and linear operators. The Dunford decomposition, Dunford–Pettis property, and Dunford-Schwartz theorem bear his name.
||Nelson James Dunford (b. December 12, 1906) was an American mathematician, known for his work in functional analysis, namely integration of vector valued functions, ergodic theory, and linear operators. The Dunford decomposition, Dunford–Pettis property, and Dunford-Schwartz theorem bear his name.


||1921 – Henrietta Swan Leavitt, American astronomer and academic (b. 1868)
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 – Robert Noyce, American inventor and businessman, co-founded the Intel Corporation (d. 1990)
||1927 – Robert Noyce, American inventor and businessman, co-founded the Intel Corporation (d. 1990)

Revision as of 12:30, 16 November 2017

  • 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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