Hutchison held teaching positions at the
University of Missouri and
Cornell University. At Cornell he taught genetics to
Barbara McClintock. Hutchison left Cornell for the
University of California, Davis. where he was professor of agriculture from 1922 to 1952; dean of the College of Agriculture from 1922 to 1925; and vice president of the
University of California from 1945 to 1952. When he left UC Davis, he served as dean of agriculture at the
University of Nevada, Reno until his retirement in 1954. From 1955 to 1963, he was the mayor of
Berkeley, California. In the 1920s, Hutchison went to Europe, serving as director of agricultural education for the International Education Board in Paris. In the 1930s, he was a director of the
Giannini Foundation of Agricultural Economics. == Personal life ==