National Museum of Nuclear Science & History
LeRoy Grigsby worked for the Roane-Anderson Company.
James Barton worked as a carpenter for the DuPont Company at the Hanford, Washington site. He never knew he was working on the atomic bomb until after it was dropped in Japan.
M. D. Peterson worked for Clinton Laboratories at the X-10 Reactor.
Blazyk worked for Stone and Webster Engineering Corporation.
William E. Smith served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Straight Flush.
