National Museum of Nuclear Science & History
Herschel Warren was a staff worker at Los Alamos during the Manhattan Project.
Harold Ninger was a staff worker at Los Alamos during the Manhattan Project.
James A. Beatson served in the 1st Ordnance Squadron.
Ratterman worked at the 200 East area at Hanford during the Manhattan Project.
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.
