National Museum of Nuclear Science & History
Joseph Pappalardo was a staff worker at Los Alamos during the Manhattan Project.
Robert J. Moon (1911-1989) was a physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project and a signer of the Szilard petition.
Earl Rau served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.