National Museum of Nuclear Science & History
Blackstone worked in the United States Engineer District Office.
Cummings worked for Stone and Webster Engineering Corporation.
Albert Cahn, Jr. (1910-1978) was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
G. F. Nellett worked for the Fercleve Corporation.
J. W. Hitch worked for the Tennessee Eastman Corporation at the Y-12 Plant.