National Museum of Nuclear Science & History
C. D. Cowan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. Courtney worked for the Rock City Construction Company.
Leon Leventhal was a nuclear chemist and radiation expert who worked at Oak Ridge, the University of Chicago’s Met Lab, and Los Alamos Laboratory during the Manhattan Project.
Bernard Voyten was a staff worker at Los Alamos during the Manhattan Project.
