Bachelor of Science in Biology and Chemistry, Otterbein College, 1965; Doctor of Philosophy in Biochemistry, Ohio State University, 1970.
Postdoctoral fellow, Roche Institute, Nutley, New Jersey, 1970-1972; senior scientist, Hoffman-La Roche, Nutley, 1972-1979; research fellow, Hoffman-La Roche, Nutley, 1980-1985; associate member, Hoffman-La Roche, Nutley, 1985-1988; professor pharmacy, Rutgers University, Piscataway, New Jersey, since 1988. Member chemical pathology study section National Institutes of Health, 1993-1994.
Member American Association for the Advancement of Science, American Association Pharmaceutical and Experimental Therapeutics (member Executive Committee 1993-1997), International Society for Study of Xeno., American Society Biochemistry and Molecular Biology, American Chemical Society, American Society Pharmaceutical and Experimental Therapeutics.
Married Marcia Ann Nunnikhoven, July 11, 1964. Children: Mark Johann, Ruth Ann, Karen Joann, Kimberly Dawn.