National Museum of Nuclear Science & History
Toomey worked for Stone and Webster Engineering Corporation.
Francis Durham served in the 1st Ordnance Squadron.
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.
Irl Schoonover was a staff worker at Los Alamos during the Manhattan Project.