Better known as a playwright, theatre historian, educationist and writer of 'Myths of Creation' and the mammoth four volume 'For Stage By Stage', history of theatre.
Lecturer, Hunter College, New York 1946-1978;
Lecturer, Cornell University 1948;
Lecturer, University of British Columbia 1949-1951;
Professor, Fordham University, New York 1960-1979 (Professor Emeritus in 1979).
He wrote for films during the war, and for television during the fifties and early sixties between breaks from teaching.