National Museum of Nuclear Science & History
H. W. Butsch worked for the William A. Pope Company.
John Henry Manley (1907-1990) was an American physicist. Manley worked on the Manhattan Project almost from its beginning, starting at the Metallurgical Lab at the University of Chicago.
Ray Droke worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Coveyou worked for Clinton Laboratories at the X-10 Reactor.