National Museum of Nuclear Science & History
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.
R. C. Chandler worked for the Edenfield Electric Company.
William “Willy” Higinbotham (1910-1994) was an American physicist. During the war, Higinbotham worked at Los Alamos as leader of the Electronics Group in the Weapon Physics Division.