National Museum of Nuclear Science & History
R. L. Whitefort worked for the Kellex Corporation at the K-25 Plant.
Rufus Addison worked for the Edenfield Electric Company.
Arthur Julius Olofson joined the Manhattan Project at Los Alamos in June 1944. Olofson developed specialized tools for components of the atomic bomb under Dr.
H. H. Denny worked for the H. K. Ferguson Company.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.