National Museum of Nuclear Science & History
J. H. Mynatt worked for the United States Engineer District Office.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
Hubert P. Yockey is an American physicist who studied under J. Robert Oppenheimer at the University of California, Berkeley and worked with him during the Manhattan Project.
B. C. Nylen worked for Clinton Laboratories at the X-10 Reactor.
