National Museum of Nuclear Science & History
Dyer worked for Stone and Webster Engineering Corporation.
Robert H. Pratt Jr. served in the 393rd Bombardment Squadron.
A. D. Caley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Williams was a staff worker at Los Alamos during the Manhattan Project.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.