Bachelor of Science, Oregon State University, 1951; Master of Science, Cornell Univercity, 1955; Doctor of Philosophy, Cornell Univercity, 1958.
Professor horticulture, Oregon State University, Corvallis, 1958-1994; professor emeritus, Oregon State University, Corvallis, since 1994. Research associate Michigan State University, East Lansing, 1975-1976. Visiting professor Chung Hsing U. Taichung, Republic of China, 1989-1990.
Corporal United States Army, 1951-1953. Member American Society for Horticultural Science, Weed Science Society American, Western Society Weed Science, Oregon Society Weed Science (secretary since 1985).
Married Priscilla Aileen Horning, March 20, 1965. Children: Melissa Ann, Andrew Douglas.