Dottore in Lettere, University Padua, Italy, 1935. Doctor of Philosophy in Comparative Literature, Yale University, 1949.
Fellow, Louisiana State University, 1935-1936; Fellow, University of California at Berkeley, 1936-1937; lecturer, U. Stockholm, 1942-1946; professor Italian and comparative literature, University of California at Los Angeles, since 1949.
Member Authors Guild. Clubs: Elizabethan Yale.