National Museum of Nuclear Science & History
Hardleben worked at the 100-F Area at Hanford during the Manhattan Project.
T. D. DeWine worked for the J.A. Jones Construction Company.
Part of the Special Engineer Detachment (SED), Donald C. Harms was first sent to Oak Ridge, Tennessee, to work on the Manhattan Project.
Moyer worked for Stone and Webster Engineering Corporation.
Clarence Schalia was a staff worker at Los Alamos during the Manhattan Project.