National Museum of Nuclear Science & History
Paul Stewart worked for the Roane-Anderson Company.
John Deal worked for the Kellex Corporation at the K-25 Plant.
Ellis Ryan was a staff worker at Los Alamos during the Manhattan Project.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
Charles Cooper was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
