National Museum of Nuclear Science & History
J. L. Ledgerwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Wallace Stone worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Celia Ryan was a staff worker at Los Alamos during the Manhattan Project.
