Faculty, School Medicine, Paris, 1934-1938. Research scholar National Center for Science Research, Paris, 1939, researcher, 1945, chief research, 1956, honorary chief research, since 1974. Member council University Rene Descartes, Paris, 1969-1971.
President science council, biomedical department The School Medicine, Paris, 1969-1971. Science director laboratory La Biotherapie'', Paris, 1935-1964. Board directors National Veterans Office, 1958-1981.
Member National Commission Political Deportees, 1954-1981. President Fraternity of Deportees of Auschwitz III, 1957.