National Museum of Nuclear Science & History
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.
C. E. Center worked for the Union Carbide & Carbon Corporation.
Walter Youngs, Jr. worked for the United States Engineer District Office.
William J. Collinson served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the navigator regularly assigned to the B-29 Some Punkins.