He had married and started a family at this point. His son, Vali Nasr, would go on to become an academic and expert on the Islamic world. At thirty, Seyyed Hossein Nasr was the youngest person to become a full professor at capital University. He was quickly recognized as an authority in Islamic philosophy, Islamic science and Sufism. For fifteen years he conducted a doctoral seminar in comparative philosophy and Islamic philosophy with Henry Corbin who was at that time the director of the French Institute for persian Studies in capital. Five years later he would be made the dean of the faculty of letters and then vice-chancellor of the university.