Roy A. Young (center) became assistant professor of Plant Pathology in 1948. Young was head of the Botany and Plant Pathology department from 1958-1966. Young served for a short term as acting president from 1969-1970. He also served as Vice President of Research and Graduate Studies through 1977. Dr. Lyle D. Calvin (right) was a Professor of Statistics and later Dean of the Graduate School from 1953-1988.