National Museum of Nuclear Science & History
T. F. Walsh worked for the United States Engineer District Office.
F. M. Downs worked for the J.A. Jones Construction Company.
Volney C. Wilson was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Spofford G. English was an American chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) and Oak Ridge during the Manhattan Project.