 After winning, at the age of twenty-two, the highest academic distinction at Louvain, he decided to follow his stepbrother and enter the Society of Jesus, and was sent to St. Ignatius of Loyola in Rome, who received him into the Society.On the completion of his novitiate, Theodorich was appointed professor of theology in Vienna, but was soon after appointed rector of the Jesuit College at Munich.Here, in 1562, one of the first productions in Germany of the morality play "Homulus" (corresponding to the English "Everyman" or the Dutch "Elckerlijc") was given in Latin by the students under his direction.