National Museum of Nuclear Science & History
Day worked for Stone and Webster Engineering Corporation.
C. E. Twigg worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bert Tolbert joined the Manhattan Project in 1944 while completing his PhD in Chemistry from the University of California at Berkeley.
Fred A. Hoey served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the navigator of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.
