National Museum of Nuclear Science & History
D. J. Mahegan worked for the Union Carbide & Carbon Corporation.
O. T. Sibert worked for Clinton Laboratories at the X-10 Reactor.
Thornburgh worked at the 200 West Area at Hanford during the Manhattan Project.
William S. Johnston was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
