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.
Caddell worked for Stone and Webster Engineering Corporation.
H. J. Anderson served in the 390th Air Service Group.
W. B. Caldwell worked for Clinton Laboratories at the X-10 Reactor.
