National Museum of Nuclear Science & History
Long worked for Stone and Webster Engineering Corporation.
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.
W. S. Porter worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Henry I. Jones served as a sergeant in the 393rd Bombardment Squadron.
Melba Johnston worked for Clinton Laboratories at the X-10 Reactor.