Bachelor, University of Minnesota, 1956; Bachelor of Science, University of Minnesota, 1957; Doctor of Medicine, University of Minnesota, 1959.
Volunteer leader, Peace Corps, Gondar, Ethiopia, 1964-1966; intern, King County Hospital, Seattle, 1959-1960; resident, U. Washington, Seattle, 1960-1962; assistant professor medicine, U. Washington, Seattle, 1967-1969; associate professor, U. Washington, Seattle, 1971-1978; professor medicine, laboratory medicine, U. Washington, Seattle, 1978-1998 (retired); professor emeritus medicine, laboratory medicine, U. Washington, Seattle, since 1998; head clinical investigation, United States Naval Medical Research, Addis Ababa, Ethiopia, 1968-1971; chief infectious diseases, microbiology, Veterans Administration Hospital., Seattle, 1973-1998; retired, 1998. Consultant World Health Organization, 1975, Suez Canal U. Faculty of Medicine, Ismailia, Arab Republic of Egypt, 1981-1985.
Fellow Infectious Disease Society, American College of Physicians. Member American Association for the Advancement of Science, American Society Microbiology, Academy Clinical Laboratory Physicians and Scientists.
Married Diane Sylvia Koenigs, August 28, 1964 (divorced July 1974). Children: Lisa Marie, Michele Louise, James Joshua. Married Jo Ann Gates, December 22, 1986.