National Museum of Nuclear Science & History
Jesus Royball was a staff worker at Los Alamos during the Manhattan Project.
Henry Barwick worked as a plumber, pipefitter, and steamfitter during the building of the Y-12 plant at Oak Ridge.
William L. Fink (1896-1992) was an American metallurgist. After obtaining his bachelor’s and master’s degrees in engineering and a Ph.
Major Harry D. Riley (1907-1996) worked on the Manhattan Project at Hanford as an engineering officer and chief of services.