National Museum of Nuclear Science & History
W. A. Cone worked for the J.A. Jones Construction Company.
Solberg worked at the 100-B Area at Hanford during the Manhattan Project.
Ellerbroek worked for Stone and Webster Engineering Corporation.
Harold Smith worked for the Kellex Corporation at the K-25 Plant.
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.
