National Museum of Nuclear Science & History
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.
Zen B. Portwood worked for the J.A. Jones Construction Company.
H. G. Hoberg worked for the United States Engineer District Office.
