National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Gladys Evans worked as a Calutron girl at the Y-12 Plant at Oak Ridge, TN. She experienced the living conditions at Oak Ridge, including the weather, heightened security, and social life.
Gast worked at the 300 Area at Hanford during the Manhattan Project.
E. O. Ogle worked for the Edenfield Electric Company.
