Bachelor, University North Carolina, 1971. Doctor of Philosophy, University California, Irvine, 1985.
Teaching assistant University California, Irvine, 1972-1978. Visiting lecturer University Salzburg, Austria, 1978-1979. Sales manager Bose Corporation, Spain and Germany, 1979-1980.
Partner Richter Jewelry Company, Miami, Florida, 1980-1987. Visiting scholar University North Carolina, Chapel Hill, 1988-1989. Lecturer Duke University, Durham, North Carolina, 1988-1990.
Writer, Chapel Hill, since 1990.
Spokesman, Hemlock Society. Member American Philosophical Association.