National Museum of Nuclear Science & History
L. L. Kelly worked for the United States Engineer District Office.
Lucian J. Dale worked for the J.A. Jones Construction Company.
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.
Jack Smith was a staff worker at Los Alamos during the Manhattan Project.