National Museum of Nuclear Science & History
J. J. Donovan worked for the H. K. Ferguson Company.
Leander J. Baur served as a staff sergeant in the 393rd Bombardment Squadron. He was the radio operator regularly assigned first to Luke the Spook and later to Big Stink.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
