National Museum of Nuclear Science & History
Peter Watkins was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Beck worked in the United States Engineer District Office.
Marvin Wilkening, a physicist, traveled the Grand Circuit of the Manhattan Project, pursuing his specialty of measuring neutron intensity.
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.
