National Museum of Nuclear Science & History
Henry Mouk was a staff worker at Los Alamos during the Manhattan Project.
William J. Larkin worked in Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.
George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).