National Museum of Nuclear Science & History
Leonard Hardy served in the 603rd Air Engineering Squadron.
Charles Allen Thomas (1900-1982) was an American chemist and industrial leader. Thomas was recruited to join the Manhattan Project in 1942 by General Groves, who offered him a postion as a deputy to Robert Oppenheimer, the director of the Los Alamos Laboratory in New Mexico.
Luther Carpenter worked for the Kellex Corporation at the K-25 Plant.
Block worked in the United States Engineer District Office.
Harold Symons worked for the Tennessee Eastman Corporation at the Y-12 Plant.