National Museum of Nuclear Science & History
J. G. Smith worked for the Roane-Anderson Company.
Morton David was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harry S. Truman (1884-1972) was the 33rd President of the United States of America. Truman first learned of the Manhattan Project after the death of President Roosevelt in April of 1945, when he relinquished his role as Vice President and took the oath of office as the next president of the United States.
Herbert York (1921-2009) was a part-Mohawk American physicist. After graduating with a master’s in physics from the University of Rochester in 1942, York went directly to work at the Berkeley Radiation Laboratory connected with the Manhattan Project.