National Museum of Nuclear Science & History
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
Fred Hughes was a Reactor Operator at the Hanford B Reactor from 1943 through the end of the war. He worked for the DuPont Company, who transferred him from Prior, Oklahoma to Hanford in 1943.
E. F. Ryan worked for the United States Engineer District Office.
Breslow worked at Los Alamos during the Manhattan Project.
W. J. Eccles worked for the Kellex Corporation at the K-25 Plant.
