National Museum of Nuclear Science & History
John Topham worked for the Edenfield Electric Company.
Hollenbach worked at the 200 West Area at Hanford during the Manhattan Project.
Heater worked at the 100-D Area at Hanford during the Manhattan Project.
Myfanwy Pritchard Roberts worked in Rhydymwyn, Wales as a laboratory assistant in the Tube Alloys program, the British mission to create the nuclear bomb.
