National Museum of Nuclear Science & History
Robert Prunty (1921-2008) served in the Army at Los Alamos during the Manhattan Project, working as a machinist.
O. T. Sibert worked for Clinton Laboratories at the X-10 Reactor.
J. F. Chapman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert S. Coles was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.