Bernard of ClairvauxBer·nard of Clair·vaux
(1090?-1153); Fr. monk & theological writer: founder of the Cistercian order: his day is Aug. 20
Bernard of Clairvaux
, Saint 1090–1153.
French monastic reformer and political figure. Widely known for his piety and mysticism, he was instrumental in the condemnation of Peter Abelard and in rallying support for the Second Crusade.