Bachelor, Baylor University, Texas, 1961. Master of Arts, Yale University, New Haven, 1963. Doctor of Philosophy, Yale University, New Haven, 1966.
Assistant professor philosophy Kansas State University, Manhattan, 1965-1967. Assistant professor philosophy Pennsylvania State University, University Park, 1967-1973, associate professor department philosophy, 1973-1987, head department philosophy, from 1982, professor, from 1987. Member international board advisors Center Advanced Research in Phenomenology, since 1983.
Member American Philosophical Association, Metaphysical Society, Society Existentialism and Phenomenology.
Married Janie Ross Daggett, August 3, 1962. Children– Jennifer, Cheryl.