National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Harold Smith served in the Army at Los Alamos during the Manhattan Project.
Paul W. Levy was an American physicist. After receiving his undergraduate degree from the University of Chicago in 1943, Levy joined the Manhattan Project at the University’s Metallurgical Laboratory.
I. P. Grill served in the 390th Air Service Group.
George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
