National Museum of Nuclear Science & History
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
Baldwin Sawyer is an American metallurgist. After graduating from Yale with a B.S. in Physics in 1943, Sawyer joined the Manhattan Project at the University of Chicago.
J. E. Southerland worked for the United States Engineer District Office.
Harold F. Seaman served in the 603rd Air Engineering Squadron.