National Museum of Nuclear Science & History
Francis A. Pellegrino served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned first to Luke the Spook and later to Big Stink.
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Nicklin worked for the United States Engineer District Office.
