National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
L. O. Bonham worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Myfanwy Pritchard Roberts worked in Rhydymwyn, Wales as a laboratory assistant in the Tube Alloys program, the British mission to create the nuclear bomb.
Hershey worked at the 300 Area at Hanford during the Manhattan Project.