Pontifical Biblical Commission
In the years 1948-1957 he was a lecturer of the Holy Bible in the Jesuit theological faculty of Enghien in Belgium. From there, he moved to Lyon-Fourvière. He was a consultor of the Pontifical Biblical Commission in Rome and a member of the New Testament study society - Studiorum Novi Testamenti Societas. He published in theological magazines: "Recherches de Science Religieuse" and "New Testament Studies".