National Museum of Nuclear Science & History
R. E. Hoffman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jessen worked at the 300 Area at Hanford during the Manhattan Project.
William J. Hannert served in the 393rd Bombardment Squadron.
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.
