National Museum of Nuclear Science & History
R. Niekirk worked for the Roane-Anderson Company.
Robert Lyle was a member of the Special Engineering Detachment assigned to Oak Ridge, Tennessee as a chemist.
Robert Gustison was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Melba Johnston worked for Clinton Laboratories at the X-10 Reactor.
