National Museum of Nuclear Science & History
W. H. Thirloway worked for the Union Carbide & Carbon Corporation.
Velva Irwin worked as a Calutron girl at the Y-12 Plant at Oak Ridge, TN. She was only 16 when she began working on the Manhattan Project.
J. L. Kelso worked for the Roane-Anderson Company.
Clark worked in the United States Engineer District Office.