National Museum of Nuclear Science & History
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.
Anthony J. (“Tony”) Matz was a procurement officer at the University of Chicago Met Lab. He helped obtain, handle, and move many of the materials for Chicago Pile-1 and witnessed it going critical on December 2, 1942.
William W. Atterson lived in Oak Ridge Tennessee and worked at the Y-12 plant where he was in charge of keeping the machine’s working and making sure the work place was running smoothly.
Harriet Peterson was a nurse at Los Alamos during the Manhattan Project.
