National Museum of Nuclear Science & History
R. W. Addington worked for the J.A. Jones Construction Company.
Anderson was a Union Carbide employee who worked on startup operations at the K-25 plant at Oak Ridge during the Manhattan Project.
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.
