National Museum of Nuclear Science & History
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.
H. B. Hansard, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Cutshaw worked for the Oak Ridge Recreation and Welfare Association.
Phil Gardner was senior labor recruitment supervisor for the Hanford site. Although he was first an employee of the DuPont Company, he worked under the direction of the War Manpower Commission and his tasks were assigned according to the needs of the War Department.