National Museum of Nuclear Science & History
Williams worked for Stone and Webster Engineering Corporation.
Schmidt worked at the 300 Area at Hanford during the Manhattan Project.
Raymond Begnoche served in the 1st Ordnance Squadron.
George L. Brabenec was a master sergeant in the 393rd Bombardment Squadron. He served as the flight engineer of the Necessary Evil, but flew in the Big Stink during the Nagasaki mission.