National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.
Hoyt Nelson worked for Clinton Laboratories at the X-10 Reactor.
Antilla worked in the United States Engineer District Office.
W. D. Bales worked for the Southern Bell Telephone Company.
