Background
Tehon, Leo Roy was born on June 21, 1895 in Dumont, South Dakota, United States. Son of Patrick John and Bertha (Whittier) Tehon.
Tehon, Leo Roy was born on June 21, 1895 in Dumont, South Dakota, United States. Son of Patrick John and Bertha (Whittier) Tehon.
Student Fremont (Nebraska) Normal School, 1909, Gregg School, Chicago, 1913. Bachelor of Arts, University of Wyoming, 1916. Master of Arts, University of Illinois, 1920.
Doctor of Philosophy, 1934.
Assistant in botany, University of Wyoming, 1915-1916, University of Illinois, 1916-1917, 1924-1925. Teacher of botany, Arsenal Technology School, Indianapolis, Indiana, 1917-1918. Assistant plant pathologist United States Department of Agriculture, Illinois State leader in barberry eradication, 1919-1920, 1921-1922.
Collaborator, United States Department of Agriculture Plant Disease Survey, since 1921.
With Mount Arbor Nurseries, Shenandoah, Iowa, 1920-1921. Botanist in charge botanical section Illinois State Natural History Survey, 1921-1935, head of section of applied botany and plant pathology, since 1935.
Acting chief, 1945-1947. Professor plant pathology, University of Illinois, November since 1947.
Consultant pathologist Davey Tree Expert Company, 1934-1942.
Member of advisory committee Illinois State Weed Control, 1937-1939, of Illinois Seed and Weed Council, since 1939. Member National Oak Wilt Technical Committee, since 1949.
Served in the United States Army, 1918-1919. Member Central States Forestry Congress, 1933. President Arrowhead Council Boy Scouts of America, 1944-1945.
Fellow of the American Association for the Advancement of Science.
Member Botanical Society American, Torrey Botanical. Clubs: American College Quill (honorary).
Member national committee on junior exchange 1932-1933. Member editorial board Phytopathology, 1945-1947.
Married Mary Viola Bruner, April. Children: Stephen Whittier, Atha Lee.