National Museum of Nuclear Science & History
G. Williams worked for the Comstock-Bryant Electric Company.
Horace Owen France was an associate biologist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
N. C. Poe, Jr. worked for the Poe Piping & Heating Company.
David Dow was a lawyer. He served as administrative assistant to J. Robert Oppenheimer. He was in charge of non-technical activities at Los Alamos and the Compagna Hill monitoring site, 20 miles from the Trinity test.
Myfanwy Pritchard Roberts worked in Rhydymwyn, Wales as a laboratory assistant in the Tube Alloys program, the British mission to create the nuclear bomb.