National Museum of Nuclear Science & History
J. E. Pearman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ernest M. Bahor was a chemist. He graduated from the University of Detroit. He was a member of the Special Engineer Detachment and worked at the K-25 Plant in Oak Ridge during the Manhattan Project.
Stanley P. Elder, Jr. served in the 393rd Bombardment Squadron.
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.