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On This Day

  • 1-21-1860

    Birthdate of David Eugene Smith, historian of mathematics. As professor of mathematics at Teachers College, Columbia University, he helped George Arthur Plimpton build a fine collection of mathematical texts and objects.

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    David Eugene Smith
    Mathematical Treasures of Smith and Plimpton
  • 1-21-1874

    Rene Baire born in Paris. He would write in his doctoral thesis, "[E]very problem in the theory of functions leads to certain questions in the theory of sets ...."

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    Rene-Louis Baire
  • 1-21-1892

    John Couch Adams, who first predicted the existence of the planet Neptune, died in Cambridge, England.

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    John Couch Adams

Dummy View - NOT TO BE DELETED