High Quality Content by WIKIPEDIA articles! Peter Lombard or Petrus Lombardus; (c. 1100 - July 20, 1160 in Paris) was a scholastic theologian and bishop and author of Four Books of Sentences, which became the standard textbook of theology, for which he is also known as Magister Sententiarum. Peter Lombard was born in Lumellogno (then a rural commune, now a quartiere of Novara, Piedmont), in northwestern Italy, to a poor family. His date of birth was...