National Museum of Nuclear Science & History
F. Egner worked for Clinton Laboratories at the X-10 Reactor.
W. A. Plumb worked for the United States Engineer District Office.
Sir Rudolf Peierls (1907-1995) was a German-born British physicist. In March 1940, Peierls and fellow collegue Otto Frisch co-authored the Frisch-Peierls memorandum, the first technical exposition of a practical atomic weapon.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.