Education
After graduation from Shelby High School in 1925, Dunning entered Nebraska Wesleyan University where he became a member of Phi Kappa Tau fraternity and received his B. A. degree in 1929 with highest honors. After graduation, he began a doctoral program at Columbia University. In 1932, James Chadwick discovered the neutron, which influenced Dunning’s career, as he thereafter devoted much of his professional interest to the characteristics and uses of the particle. Dunning’s research was enthusiastically supported at Columbia by George B. Pegram. In 1933, Dunning was an instructor at the University, and he received his Ph.D. in 1934.
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