National Museum of Nuclear Science & History
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.
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.
Paul R. Pettit served in the 390th Air Service Group.
C. A. Nystrom worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rolland Perry was a staff worker at Los Alamos during the Manhattan Project.