 He also supervised the doctoral research of Marie-Dominique Chenu, who was ordained in 1919 and completed his doctorate in theology in 1920 with a dissertation entitled "De contemplatione".In the period between World War II and the Cold War Garrigou-Lagrange was the "torchbearer of orthodox Thomism" against Modernism.In 1926 he served as the definitive consulter to Pope Pius XI in declaring John of the Cross a doctor of the church.