John R. Dam

F. E. McMillan

F. E. McMillan served in the 509th Headquarters and Base Services Squadron.

Joseph A. Wieand

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.

B. B. Shaeffer

B. B. Shaeffer worked for the Roane-Anderson Company.