National Museum of Nuclear Science & History
S. W. Pratt worked for Clinton Laboratories at the X-10 Reactor.
Lawrence Antos was a member of the Military Police at Los Alamos. His primary responsibility was checking the passes of civilians entering and exiting Los Alamos.
William W. Atterson lived in Oak Ridge Tennessee and worked at the Y-12 plant where he was in charge of keeping the machine’s working and making sure the work place was running smoothly.