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.
Cathcart worked at the 200 East Area at Hanford during the Manhattan Project.
J. C. Ridenour worked for the Roane-Anderson Company.
Beaulieu worked in the 200 West Area at Hanford during the Manhattan Project.
