National Museum of Nuclear Science & History
H. O. Arnold worked for the Kellex Corporation at the K-25 Plant.
Flaherty worked in the United States Engineer District Office.
Harold Koch was an electrical engineer at Oak Ridge, Tennessee during the Manhattan Project.
William Bunnell served at Los Alamos after the war from 1946 to 1948. He was a security guard and a member of the Military Police located at Los Alamos.