National Museum of Nuclear Science & History
Gray worked at the 300 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.
H. E. Reuben worked for the J.A. Jones Construction Company.
Harold was a staff member at Los Alamos during the Manhattan Project.
