National Museum of Nuclear Science & History
C. P. Gaither worked for the J.A. Jones Construction Company.
Richard J. Dillman served in the 393rd Bombardment Squadron.
Cloyd Marvin had been drafted into the Army, interrupting his education at Haverford University, in 1943 and joined the Special Engineer Detachment as a technician third grade, later being assigned to Los Alamos National Labs in 1947.
Paul Sperling was a staff worker at Los Alamos during the Manhattan Project.