Konrad T. Semrau

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.

F. T. Rutherford

F. T. Rutherford worked for the Edenfield Electric Company.

H. G. Williams

H. G. Williams worked for Clinton Laboratories at the X-10 Reactor.

David P. Rudolph