National Museum of Nuclear Science & History
James S. Armstrong served in the 1027th Air Material Squadron.
Irvin F. Poehls served as a technical sergeant in the 390th Air Service Group.
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.
