He went on to earn an M.A. from Cornell University , followed by an A.M. , and in 1964 his Ph. D. from Princeton .
After a year at Cornell , he then spent a year obtaining a Certificato from the University of Naples .
He went on to earn an M.A. from Cornell   , followed by an A.M. , and in 1964 his Ph. D. from Princeton .
After a year at Cornell , he then spent a year obtaining a Certificato from the University of Naples .