Bachelor, College Emporia, 1927; Doctor of Philosophy, University of Chicago, 1932.
Instructor, University Texas, Austin, 1934; associate professor, University Texas, Austin, 1939; professor philosophy, University Texas, Austin, from 1945; department chairman philosophy, University Texas, Austin, 1952-1959. Visiting professor U. Hamburg, Germany, 1960. Distinguished visiting professor Kansas StateU., 1967, U. Miami, 1970.
Member Southwestern Philosophical Society (president 1947), American Philosophical Association, Philosophy Science Association, American Association University Professors.
Married Mary Evelyn Harsh, 1929.