National Museum of Nuclear Science & History
James M. Stewart was a civil scientist who worked at Los Alamos during the Manhattan Project. He was married to Bernice Weddell, a nurse.
Harder worked at the 300 Area at Hanford during the Manhattan Project.
Fred Moore worked for the Kellex Corporation at the K-25 Plant.
Ralph A. Brininger served in the 1st Ordnance Squadron.