Assistant department botany University Wisconsin, 1928-1931. Successively instructor, assistant professor, associate professor department plant pathology University Arkansas, 1931-1946, professor, 1948-1952, professor, 1953-1972, professor emeritus, since 1973, head department, 1953-1959. Director Arkansas Agricultural Experiment Station, 1959-1972.
Pathologist United States Military Government, Korea, 1947, Point 4 Program, Panama, 1952. Consultant pathologist, Cuba, 1955, Ford Foundation, India, 1959. Exhibited landscapes in local and regional shows, since 1973.
Represented in private permanent collections. Named Arkansas Man of Year, Progressive Farmer, 1970.