Bachelor of Arts, University Kansas, 1959; Master of Arts, University of Oxford, 1961; Doctor of Medicine Harvard University, 1964.
Intern, resident, Boston City Hospital, 1964-1966; research associate, National Institutes of Health, Besthesda, Maryland., 1966-1969; assistant professor department medicine and pharmacology, U. North Carolina, Chapel Hill, 1969-1972; associate professor, U. North Carolina, Chapel Hill, 1972-1976; professor, U. North Carolina, Chapel Hill, since 1976; Eunice Bernhardt Distinguished professor, U. North Carolina, Chapel Hill, since 1982.
Served with United States Public Health Service, 1966-1969. Fellow American College of Physicians. Member Endocrine Society, American Society Clinical Investigation, American Society Pharmacology and Experimental Therapeutics, Association professors Medicine.
Married Joan Troy Ontjes, August 26, 2006. Children: Linden F., Sarah E., Ethan A., Jason A.