National Museum of Nuclear Science & History
G. E. Knutson worked for the United States Engineer District Office.
C. N. Hernandez worked for the Roane-Anderson Company.
Joseph was a staff member at Los Alamos during the Manhattan Project.
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.
