James A. Lawler, Jr.

Frances Jones

Arthur R. Weisberg

Arthur Weisberg was a mechanical engineer with the Special Engineer Detachment assigned to the Metallurgical Lab at the University of Chicago.

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.

Farr L. Hurst

Farr L. Hurst served in the 603rd Air Engineering Squadron.