National Museum of Nuclear Science & History
Robert McCoy worked for the United States Engineer District Office.
Roger Hildebrand is an American physicist and Manhattan Project veteran. He is the S.K. Allison Distinguished Service Professor, Emeritus, at the University of Chicago and is affiliated with the Enrico Fermi Institute.
Darlington worked for Stone and Webster Engineering Corporation.
Warren Johnson worked for Clinton Laboratories at the X-10 Reactor.
