Bachelor, University Hawaii, 1957. Master of Arts, University Hawaii, 1966. Doctor of Philosophy, University Hawaii, 1969.
Research associate Ames Research Center National Aeronautics and Space Administration, Mountain View, California, 1969-1971. Professor University Massachusetts, Dartmouth, 1971-1996, professor emeritus, since 1996.
With United States Army, 1957-1960. Member American Association for the Advancement of Science, American Society Microbiology, Genetic Society of America.
Married Sue A. Asato, June 22, 1969. Children: April Asato-Harr, Lynn Hannan.