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.
Raemer E. Schreiber (1910-1998) was an American physicist. Schreiber joined the Manhattan Project at Los Alamos in November 1943 along with his wife, Marguerite Schreiber.
Arkie Regnault worked for the Roane-Anderson Company.