National Museum of Nuclear Science & History
Celia Ryan was a staff worker at Los Alamos during the Manhattan Project.
R. L. Doan worked for Clinton Laboratories at the X-10 Reactor.
DeSelm worked in the United States Engineer District Office.
Julian Mack was an American physicist. Mack was the leader of Group G-11 (Optics), the photography group, in the Weapons Physics Division at Los Alamos during the Manhattan Project.
Beltzner worked at the 100-D Area at Hanford during the Manhattan Project.
