National Museum of Nuclear Science & History
Harris worked for Stone and Webster Engineering Corporation.
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.
Anton Poslof served in the 1027th Air Material Squadron.
Hammond worked at the 300 Area at Hanford during the Manhattan Project.
Harry Markee worked for the United States Engineer District Office.
