National Museum of Nuclear Science & History
Richard Lyon was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harvey R. Milligan served in the 1st Ordnance Squadron.
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
R. D. Cantrell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
