J. Q. DuPont

R. H. Snyder

R. H. Snyder worked for the Fercleve Corporation.

Anthony J. Matz

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.

D. G. Graham

D. G. Graham worked for the Tennessee Eastman Corporation at the Y-12 Plant.

G. E. Smith