National Museum of Nuclear Science & History
Bales worked for Stone and Webster Engineering Corporation.
F. J. Underwood worked for the Roane-Anderson Company.
H. H. Maples worked for the Roane-Anderson Company.
Harold Hurst worked for the J.A. Jones Construction Company.
Louis D. Wilson was a laborer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
