National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
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.
Harold F. Seaman served in the 603rd Air Engineering Squadron.
Lavern L. Holmes served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned first to Luke the Spook and later to Big Stink.