National Museum of Nuclear Science & History
William Moore worked for the Roane-Anderson Company.
R. F. Warren worked for the United States Engineer District Office.
Ralph A. James (1920-1973) was a research associate in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. D. Cowan worked for the Tennessee Eastman Corporation at the Y-12 Plant.