National Museum of Nuclear Science & History
I. B. Whitney worked for Clinton Laboratories at the X-10 Reactor.
Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Fred Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leo A. Ohlinger was a senior engineer at the University of Chicago Met Lab. Ohlinger was also Section Chief of P-IX, Engineering Physics.
Brewer worked in the United States Engineer District Office.