Michel Lagarde, D.Litt. (1984) in Oriental Studies, University of Lyon II, the translator, is Professor of Arabic and Islam at the Pontifical Institute of Arabic and Islamic Studies in Rome. He has published Index du Grand Commentaire de Faẖr al-Dîn al-Râzî (Brill, 1996) and several articles related to the Koranic commentary and to Islamo-Christians relations.