Jarrett R. Clark

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.

Julius C. Taylor

G. F. Meier

William J. Feyder

William Feyder worked for Clinton Laboratories at the X-10 Reactor.