Michigan State University.
Assistant Professor, Department, of Horticulture, Michigan State University 1957-1961, Association Professor 1961-1963, Professor since 1963. Postdoctoral Fellow, University of Oxford and Bristol, England 1965-1966. Director Michigan State University Press since 1983.
Adviser, Eli Lilly Company 1971-1988.
Fellow American Association for the Advancement of Science, American Society of Horticultural Science.
Married Judith A. Kelley in 1956.