National Museum of Nuclear Science & History
Harold Koch was an electrical engineer at Oak Ridge, Tennessee 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.
K. L. Townsend worked for the United States Engineer District Office.
Ina Irene Cooper worked on the Manhattan Project for Union Carbide and Carbon Company and for Ford, Bacon, and Davis in Oak Ridge, TN, in 1944-45.