National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Virgil I. Mann served in the 320th Troop Carrier Squadron.
L. R. Cornish worked for the J.A. Jones Construction Company.
Melvin H. Bierman served as a sergeant in the 393rd Bombardment Squadron. Bierman was regularly assigned as a tail gunner in the Up An’ Atom, but did not fly in that plane in the August 1945 bombing missions on Hiroshima and Nagasaki.