He became a lecturer at the Paul Sabatier University of Toulouse in 1964, then Professor at the Pierre and Marie Curie University, Paris (UPMC), in 1974 where he taught in preparation for the medical school entrance examination at the Pitié-Salpétrière Hospital, in inorganic chemistry, the Master of Chemistry at UPMC, the Master of Chemistry at L'École Normale Supérieure, the Advanced Study Diploma (DEA) in inorganic chemistry, the DEA in crystallography, the preparation for the agrégation in chemistry at L'École Normale Supérieure.