National Museum of Nuclear Science & History
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.
Thomas Brill was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Martin M. Whitaker was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
A staff worker at Los Alamos and brother of Theodore Perlman who also worked on the Manhattan Project.