ALL SAINTS CELEBRATED IN AUGUST Saints celebrated on the 9th of August WELCOME! PIERRE D'AILLY, BISHOP OF CAMBRAI, CARDINAL Pierre d'Ailly (Petrus de Allaco) was a French theologian and philosopher, bishop and cardinal, born 1350 at Compiègne; died probably [August 9, 1420] at Avignon. He studied at the College of Navarre, University of Paris. In 1375, by his commentaries on the Sentences of Peter Lombard, he furthered the cause of Nominalism in the University of Paris. He received the degree of Doctor of Theology in 1380. At that time he wrote several treatises, in which he maintained, among other doctrines, that bishops and priests hold their jurisdiction from Christ, not from the Pope, that the Pope is inferior to a general council, that neither the Pope nor the council is strictly infallible, but only the universal Church. In 1384 he became director of the College of Navarre; Jean Gerson and Nicholas of Clemanges were among his pupils. He acquired great f...