National Museum of Nuclear Science & History
Arthur Sievert worked for Hanley & Company.
Earl W. Fisher served in the 603rd Air Engineering Squadron.
Gerald F. Clapso served as a sergeant in the 393rd Bombardment Squadron. He was the radar operator regularly assigned first to Luke the Spook and later to Big Stink.
Louis Berkoff served in the 603rd Air Engineering Squadron.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
