National Museum of Nuclear Science & History
Svoboda worked for Stone and Webster Engineering Corporation.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Franklin MacGregor served as a second lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
S. J. Nicely worked for the Tennessee Eastman Corporation at the Y-12 Plant.
