National Museum of Nuclear Science & History
Ruby Kidd worked for the Kellex Corporation at the K-25 Plant.
William (W.) Gregory Marley was a British physicist and photography expert, who was part of the British Mission to Los Alamos during the Manhattan Project.
Armstrong worked at the 200 West and 300 Areas at Hanford during the Manhattan Project.
D. H. Edwards worked at the 300 Area at Hanford during the Manhattan Project.