Peter Lombard Peter Lombard (c. 1096 – August 21/22, 1160) was a bishop and theologian of the twelfth century who profoundly shaped medieval intellectual life. He is best remembered for his monumental achievement—the *Quattro Libri Sententiarum* ("Four Books of Sentences"), which became the standard theological text throughout Europe for centuries and established him as one of the most influential thinkers of his era. Early Life and…