National Museum of Nuclear Science & History
Robert Plott was a research assistant at the Chicago Met Lab during the Manhattan Project.
Gross worked at the 100-D Area at Hanford during the Manhattan Project.
L. B. Howell 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.
John Otto worked for Clinton Laboratories at the X-10 Reactor.