Bachelor, University Minnesota, 1939. Doctor of Philosophy, University Minnesota, 1952. Bachelor's Degree, Oberlin (Ohio) College, 1943.
Doctor of Humane Letters, Denison University, Granville, Ohio, 1990.
Instructor University Minnesota, Minneapolis, 1957-1960. Assistant professor University Iowa, Iowa City, 1950-1954, chair department philosophy, 1953-1964, associate to full professor, 1954-1964. Visiting professor Oberlin College, 1964-1965.
Professor and chair department philosophy Ohio State University, Columbus, 1966-1980, professor emeritus, from 1984.
(Book by Peter Machamer, Robert Turnbull)
Captain United States Army, 1943. Member American Philosophical Association (secretary-treasurer Central division 1966-1969, president 1977-1978, chair board officers 1989-1992).
Married Marguerite Hilton, September 1, 1939. 1 child, Bruce Hilton.