National Museum of Nuclear Science & History
Roger Sr was a mechanical engineer having graduated from Stanford University during World War II. He and his wife, Katherine Barnes were recruited by the FBI who made contact with them at the Santa Fe training station when they were leaving town, after their honeymoon at Ghost Ranch.
Francis O’Sullivan worked for 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.
