Predoctoral Fellow, Harvard Medical School 1962. Postdoctoral Fellow, Harvard Medical School, 1966-1968. Visiting Investigtor, Carnegie Institution of Washington, Baltimore, MD. 1969. Assistant Professor, Harvard Medical School 1970-1974, Assistant Professor Pediatric Cardiology, Boston Childrren's, 1970-1974, Assistant Professor Pathology, Boston Children's 1970-1974. Associate Professor, Unniversity of Chicago 1974-1986. Professor, Dartmouth Medicl School, 1986-1998. Visiting Scholar, Department of Astronomy and Physics, Dartmouth College 2002-2004. Farmer and investor to present.
Upon retirement from academia memberships in various learned societies were permitted to lapse. Currently member of the Harvard Club of New York City, the Harvard Club of Boston and the Antiquarian Booksellers Assn of America. Elected Fellow Royal Microscopical Society. Member, POETS dining club, Hanover NH
Married, wife Anne Corning Pearson. Son Jared.