National Museum of Nuclear Science & History
F. J. McManus worked for the J.A. Jones Construction Company.
Edward M. Josefiak 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 Some Punkins.
R. L. Newell worked for Clinton Laboratories at the X-10 Reactor.
Fermin Vigil was a staff worker at Los Alamos during the Manhattan Project.