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.
Dr. Lewis Preston arrived in Oak Ridge in 1944. A recent graduate of the Baylor University College of Medicine, he joined the Army Medical Corps.
