National Museum of Nuclear Science & History
A. M. Hartman worked for the Roane-Anderson Company.
George F. Popp served in the 603rd Air Engineering Squadron.
Theodore F. Koplets served in the 1st Ordnance Squadron.
Henry Faul was a geologist working on Enrico Fermi's team at the University of Chicago. He was responsible for prospecting uranium ore in Colorado and Utah.
W. E. Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
