National Museum of Nuclear Science & History
Calvin B. Popwell served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.
Charles Helmers worked for the J.A. Jones Construction Company.
Nora Dene Lawson worked as a calutron operator at the Y-12 Separations Plant in Oak Ridge, TN during the Manhattan Project.
