National Museum of Nuclear Science & History
M. E. Brennan worked for the Watson-Flagg Engineering Company.
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.
Hale worked at the 200 West Area at Hanford during the Manhattan Project.
Delbert P. Cary served in the 1st Ordnance Squadron.
