National Museum of Nuclear Science & History
J. R. O'Neill worked for the Tennessee Eastman Corporation at the Y-12 Plant.
P. S. Stovall worked for the United States Engineer District Office.
J. B. Marcum worked for the Union Carbide & Carbon Corporation.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
