National Museum of Nuclear Science & History
Roy W. Carlson was an engineer. He worked on the Manhattan Project at Los Alamos and the University of California, Berkeley, as a member of the Explosives Division and Group X-2A.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
M. C. Barto worked for the Roane-Anderson Company.
F. S. Adams worked for the Fercleve Corporation.
