National Museum of Nuclear Science & History
Caddell worked for Stone and Webster Engineering Corporation.
Clayton J. Rayome served in the 320th Troop Carrier Squadron.
John H. Williams (1908-1966) was a Canadian-American physicist. Williams transferred to Los Alamos in early 1943 and was among the first group of scientists to arrive on the Hill.
Richard L. Doan was the Director of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
