Gilles Personne de Roberval (August 10, 1602 - October 27, 1675) was a French mathematician born at Roberval near Beauvais, France. His name was originally Gilles Personne or Gilles Personier, with Roberval the place of his birth.

Biography

Like René Descartes, he was present at the Siege of La Rochelle

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