National Museum of Nuclear Science & History
Leighton B. Ewell served in the 393rd Bombardment Squadron.
O'Connor worked for Stone and Webster Engineering Corporation.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
Niels Thude was a staff worker at Los Alamos during the Manhattan Project.
