National Museum of Nuclear Science & History
L. C. Danielson worked for the J.A. Jones Construction Company.
Paul R. O’Connor was a junior chemist at the University of Chicago Met Lab during the Manhattan Project.
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.
