has crossed the centuries. pierre abélard (1079-1142) was a renowned theologian and scholar. he was one of the greatest thinkers of the 12th century but his teachings were considered so controversial at the time that he was regularly charged with heresy. his most famous works sic et non is a list of 158 philosophical and theological questions.abélard taught in the cloisters of notre-dame cathedral (then moved to the latin quarter) where he fell in love with one - Alamy