National Museum of Nuclear Science & History
Charles Rupchock (1923-2000) was a staff worker at Los Alamos during the Manhattan Project.
John William Starner joined the Manhattan Project in December 1943 as a member of the Special Engineer Detachement at Los Alamos.
James H. Coon was an American physicist. He worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory and at Los Alamos.