JOHN RAY DUNNING, DEAN OF THE SCHOOL OF ENGINEERING AND APPLIED COLUMBIA UNIVERSITY.John Ray Dunning (September 24, 1907 in Shelby, Nebraska - August 25, 1975 in Key Biscayne, Florida) was an American physicist who played key roles in the development of the atomic bomb. He specialized in neutron physics and did pioneering work in gaseous diffusion for isotope separation. He was Dean of the School of Engineering and Applied Science at Columbia University from 1950 to 1969. He also served on the board of trustees of Science Service, now known as Society for Science & the Public, from 1958-1964.(WIKIPEDIA)
Photo measures 8 x 10.25 in.
