National Museum of Nuclear Science & History
J. N. Chancellor 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.
Edna K. Marks was a junior biologist and technician in the Health Division at the University of Chicago Met Lab.
C. J. Klein worked for Clinton Laboratories at the X-10 Reactor.