National Museum of Nuclear Science & History
J. R. Maddy worked for the United States Engineer District Office.
Clyde Crowley worked for the Roane-Anderson Company.
Lutz worked in the 300 Area at Hanford during the Manhattan Project.
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.
