National Museum of Nuclear Science & History
Harper worked for Stone and Webster Engineering Corporation.
Chris Keim worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph I. Gulick served as a technical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.
D.C. Stewart was a Staff Sergeant in the Special Engineer Detachment at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Richard Lyon was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
