National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
Leona Woods, later Leona Woods Marshall and Leona Marshall Libby, was perhaps the most well-known woman scientist working on 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.
James Jensen was a machinist at Hanford, Washington from September 1944 to the end of the war. Jensen's security clearance allowed him to machine parts and complete various tasks for the maintenance of the nuclear piles.
Roger Cloutier was born in North Attleborough, Massachusetts in 1930. After serving in the U.S. Navy during the Korean War, he pursued a career in health physics at the University of Massachusetts and University of Rochester.
