Nelson H. Van Wie

Paul R. Cummings

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.

T. B. Michell

E. H. Halbrook

E. H. Halbrook worked for the J.A. Jones Construction Company.