National Museum of Nuclear Science & History
E. H. Mantz worked for Hanley & Company.
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.
Etta Miller worked for the Kellex Corporation at the K-25 Plant.
Hoff worked at the 300 Area at Hanford during the Manhattan Project.
