Francis Marion Summers (1906-1994) served as Professor of Entomology at the
University of California, Davis from 1947-1973. His research centered on the Oriental Fruit Moth and insect
pests of almond and stone fruits. His correspondence, which spans the years 1945-1951, contains letters with
chemical companies, farmers, and researchers regarding agricultural pests and their control.
Francis Marion Summers was born in Fredericktown, Missouri on June 8, 1906. He graduated from high school in
Calexico, California, and attended Junior College in El Centro. He received his A.B. in zoology from
University of California, Berkeley and his M.A. in 1932 and Ph.D. in 1935 in biology from Columbia
University. His Ph.D. dissertation was on cytology of ciliate protozoa.
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