Description:Lectures: P.B. Bergmann: Problems of Quantization.- A. Lichnerowicz: Radiations gravitationelles et ?l?ctromagn?tiques en relativit? generale.- J.L. Synge: The geometry of space-time.- Seminars: C. Cattaneo: Grandezze relative standard in relativit? generale.- E. Clauser: Moto di particelle nell?ultima teoria unitaria einsteiniana.