Bachelor, University Chicago, 1942. Doctor of Philosophy, University Chicago, 1950. Postgraduate, Harvard, 1947.
Served to 1st lieutenant Army of the United States, 1941-1943. Served to 1st lieutenant United States Army Air Force, 1943-1945. Ordained to ministry Unitarian Church, 1957. Teaching fellow in English Harvard University, 1946-1947. Instructor philosophy Syracuse (New York ) University, 1948-1950, University Rochester (New York ), 1950-1951, assistant professor, 1951-1957.
Associate minister 1st Unitarian Church, St. Louis, 1957-1959. Minister Old Ship Church, Hingham, Massachusetts, 1959-1964. Associate professor philosophy Morehead, Kentucky, State University, 1964-1965, professor, 1965-1968.
Professor philosophy Youngtown (Ohio) State University, 1968-1986, chairman department, 1968-1978, 81-86, professor emeritus, since 1986.
Member National Humanities Faculty, American Philosophical Association, American Association of University Professors.
Married Mary Clare Gregory, March 19, 1943 (deceased November 1963). Children– Margaret (Mistress John A. Barmack), Charles, John, Martin, Matthew, Mark (deceased). Married Justine Litchfield, October 20, 1964 (deceased February 1986).