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On This Day

  • 5-27-1849

    Chebyshev defended his doctoral dissertation on the theory of numbers at St. Petersburg University.

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    Pafnuty Chebyshev
  • 5-27-1907

    Topologist Herbert Seifert born in Bernstadt, Germany.

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    Herbert Seifert
  • 5-27-1928

    Arthur Moritz Schonflies who discovered the 230 crystallographic groups and did early work in set theory and topology, died in Frankfurt am Main, Germany on this day.

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    Arthur Schonflies

Dummy View - NOT TO BE DELETED