National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
W. B. Hembree worked for the Roane-Anderson Company.
John A. Scheuern served in the First Ordnance Squadron
Robert van Gemert worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.
C. E. McGill, Sr. worked for the Kellex Corporation at the K-25 Plant.