National Museum of Nuclear Science & History
H. G. Hoberg worked for the United States Engineer District Office.
William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.
Major John J. Moran was assigned to the Manhattan Engineer District in Oak Ridge, TN from June 6, 1942 to January 12, 1946.
