National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Raymond Hamilton worked in the explosives research area at Los Alamos after a distinguished career with the US Army Coast Artillery Corps 705th Machine Gun Battery.
John McKim worked for the Kellex Corporation at the K-25 Plant.
Phaling worked in the 300 Area at Hanford during the Manhattan Project.
