National Museum of Nuclear Science & History
Arthur L. Hughes was an British/Welsh physicist. He worked on the Manhattan Project in St. Louis on the cyclotron and plutonium production and at Los Alamos, NM.
H. L. Gleason worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Florence Morrison worked for the United States Engineer District Office.
Nesheim worked at the 300 Area at Hanford during the Manhattan Project.