Peter Lombard
Peter Lombard (also Peter the Lombard, Pierre Lombard or Petrus Lombardus;  1096, Novara – 21/22 July 1160, Paris), was an Italian Scholastic theologian. His work was very well known in the Middle Ages. He wrote Sentences, and became Bishop of Paris. Theologians from Thomas Aquinas to John Calvin were influenced by him. In 2009 Pope Benedict XVI spoke about his work.