 He is also said to be the drafter of Pope Pius XII's 1950 encyclical "Humani generis", subtitled "Concerning Some False Opinions Threatening to Undermine the Foundations of Catholic Doctrine".The "Osservatore Romano" of 9-10 December 1950 lists Garrigou-Lagrange among the names of the preparatory commission for the definition of the Assumption of Mary.Garrigou-Lagrange taught many eminent Catholic theologians during his academic career at the "Angelicum".