ODDO of Ourscamp. - Theologian, also called Suessionensis as he was born in the diocese of Soissons, d. ca. 1171. He was magister at the University of Paris, where he also held a canonicate before entering the monastery of Ourscamp (diocese of Noyon). In 1147, Eugenius III met him during his journey through France.
He was abbot in the years 1167–70. Summoned to Rome by Alexander III, he was created bishop of Tusculum, in whose fortress he hosted the Pope. O. had been a disciple not only of Abelard, but also of Anselm of Laon, John of Tours, and Peter Lombard. He was in contact with his most celebrated contemporaries, among whom were St. Thomas of Canterbury and St. Hildegard, who wrote him two famous letters. He took part in the controversies of his time and sided against the nominalists. Among his works, the Quaestiones are renowned, as they provide a broad picture of the teaching method and, in particular, of the system of quodlibetal disputations.