Vernon R. Cordell

A. J. Barnett

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.

Marion Mandel

Marion Mandel was a laboratory technician in the Health Division at the University of Chicago Met Lab.

E. H. Mady