National Museum of Nuclear Science & History
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.
John Mench was assigned to the Special Engineer Detachment at Los Alamos where he worked as a pattern maker, creating wooden casts for metal work at the site’s foundry.
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.