National Museum of Nuclear Science & History
Davidson worked in the United States Engineer District Office.
R. A. Porter worked for the United States Engineer District Office.
William Rose worked as a welder at the Allis-Chalmers Manufacturing Company in West Allis, Wisconsin from November 1943 to April 1946.
Myfanwy Pritchard Roberts worked in Rhydymwyn, Wales as a laboratory assistant in the Tube Alloys program, the British mission to create the nuclear bomb.