National Museum of Nuclear Science & History
Opal Adamson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Nellie Jennings was a laboratory assistant at the Metallurgical Laboratory at the University of Chicago during the Manhattan Project.
G. Rotunno served in the 390th Air Service Group.
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.
