National Museum of Nuclear Science & History
Zen B. Portwood worked for the J.A. Jones Construction Company.
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.
Fred D. Butler served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Laggin’ Dragon.
F. B. Vaughn worked for Clinton Laboratories at the X-10 Reactor.
C. D. Luke worked for the United States Engineer District Office.