National Museum of Nuclear Science & History
J. F. Ryan worked for Clinton Laboratories at the X-10 Reactor.
Leon Leventhal was a nuclear chemist and radiation expert who worked at Oak Ridge, the University of Chicago’s Met Lab, and Los Alamos Laboratory during the Manhattan Project.
Charles Critchfield (1910-1994) was an American mathematical physicist. In December 1942, he was approached by J.
Don Crockett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
