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.
Merle E. Elliott served in the 393rd Bombardment Squadron.
S. H. Hall worked for the Roane-Anderson Company.
W. H. Ray worked for Clinton Laboratories at the X-10 Reactor.