National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Jean Cooper was an engine mechanic in the 393rd Bomber Squadron of the 509th Composite Group serving in both Wendover, Utah and Tinian Island in the Pacific.
Pasquale Baldasaro was a radio operator aboard Straight Flush, one of the B-29 Superfortress aircraft that participated in the atomic bombing of Hiroshima.
