Bachelor summa cum laude, Clark University, 1961. Master of Arts, Harvard University, 1965. Doctor of Philosophy in Philosophy, Harvard University, 1967.
Teaching fellow, Harvard University, 1963-1966;
assistant professor, Indiana U., Bloomington, 1966-1970;
associate professor, Indiana U., 1970-1978;
professor Philosophy, Indiana U., since 1978;
Adjunct Professor Jewish Studies, Indiana U., since 1989. Part-time instructor Massachusetts Institute of Technology, 1964. Visiting assistant professor of University Illinois, 1970.
Visiting Adjunct.prof. U. Massachusetts, 1980.
Vice president Congregation Beth Shalom, Bloomington, Indiana, 2008—2009, president, since 2009. Member American Philosophical Association, Indiana Philosophical Association (president 1969-1970, 92-93), Society for Ancient Greek Philosophy, Hegel Society of America, N. American Nietzsche Society, American Association Teachers Philosophy (executive board since 1991), Phi Beta Kappa (president Indiana University chapter 1992-1993).
Married Lana Kay Ruegamer, February 10, 1942. Stepchildren: Vivienne Venderley, William Tam. 1 child, Charles Eisenberg.