National Museum of Nuclear Science & History
J. R. Hatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. B. Smith worked for the Union Carbide & Carbon Corporation.
William L. Murphy was a Technical Sargeant in the US Army who worked as part of Project Alberta, the team that transported and assembled the two atomic bombs in July and August 1945.
Charles F. McKnight served as a captain in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.