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.
Frei worked for Stone and Webster Engineering Corporation.
Lee R. Masoner served with the 603rd Air Engineering Squadron of the 509th Composite Group on Tinian Island in the South Pacific during World War II.
