National Museum of Nuclear Science & History
Helen Williams was a stenographer and clerk at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
William J. Cotter served as a staff sergeant in the 393rd Bombardment Squadron. He was the radar operator regularly assigned to the B-29 Strange Cargo.
Alexander Scott was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William L. Littlejohn served in the 603rd Air Engineering Squadron.