National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
John P. Cleary served in the 1027th Air Material Squadron.
J. D. McPherson worked for the United States Engineer District Office.
James Franck (1882-1964) was a German physicist and winner of the 1925 Nobel Prize for Physics. During the Manhattan Project, Franck served as Director of the Chemistry Division of the University of Chicago’s Metallurgical Laboratory.
