http://en.wikipedia.org/wiki/Peter_Abelard
Peter Abelard (Latin: Petrus Abaelardus or Abailard; French: Pierre Abélard) (1079–21 April 1142) was a medieval French scholastic philosopher, theologian and preeminent logician. The story of his affair with and love for Heloise has become legendary. The Chambers Biographical Dictionary describes him as "the keenest thinker and boldest theologian of the 12th Century".