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On This Day

  • 8-9-1537

    Franciscus Barocius born. In 1560 he published the first important translation of Proclus' commentary on the first book of Euclid's Elements. In 1587 he was brought before the Inquisition on charges of sorcery, more particularly of having caused a torrential rainstorm in Crete.

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    Franciscus Barocius
    Proclus Diadochus
    Euclid's Elements
  • 8-9-1593

    Izaak Walton born in Stafford, England. In the preface of The Compleat Angler he wrote, "Angling may be said to be so like the mathematics that it can never be fully learnt."

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    Izaak Walton
  • 8-9-1602

    De Roberval born in Oise, France. He became part of Mersenne's mathematical circle in Paris and developed early integration techniques.

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    Gilles Personne de Roberval