National Museum of Nuclear Science & History
H. W. Allstrom worked for the Tennessee Eastman Corporation at the Y-12 Plant.
G. Brent worked for the Roane-Anderson Company.
Sir Rudolf Peierls (1907-1995) was a German-born British physicist. In March 1940, Peierls and fellow collegue Otto Frisch co-authored the Frisch-Peierls memorandum, the first technical exposition of a practical atomic weapon.
William (W.) Gregory Marley was a British physicist and photography expert, who was part of the British Mission to Los Alamos during the Manhattan Project.