National Museum of Nuclear Science & History
Brackett worked in the United States Engineer District Office.
Ralph V. Hagan served in the 1st Ordnance Squadron.
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.
Hubert L. Cooper, Jr. served in the 1395th Military Police Company, Aviation.
Vestle O. Reed served in the 393rd Bombardment Squadron.