National Museum of Nuclear Science & History
D. A. Parker worked for the Edenfield Electric Company.
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.
Chastain worked in the United States Engineering District Office.
F. G. Rehm worked for Clinton Laboratories at the X-10 Reactor.
