National Museum of Nuclear Science & History
L. F. Mayer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
D. M. Smith worked for Clinton Laboratories at the X-10 Reactor.
Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.
