National Museum of Nuclear Science & History
J. R. Smith worked for the Roane-Anderson Company.
A. Mulder worked for the Roane-Anderson Company.
Samuel R. Macaione was a member of the Special Engineering Detachment at Los Alamos. He was known primarily not for his work, but for his membership in the thirteen-member swing band at Los Alamos, "The Keynotes.
J. R. Brand worked for Clinton Laboratories at the X-10 Reactor.