National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
Leon Sayvetz was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. M. Piper worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
