National Museum of Nuclear Science & History
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
William G. Long, Jr. served in the 1st Ordnance Squadron.
Bales worked for Stone and Webster Engineering Corporation.
Mary Lanahan was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Groom worked at the 300 Area at Hanford during the Manhattan Project.