National Museum of Nuclear Science & History
Attended Purdue University.
Tracy worked for Stone and Webster Engineering Corporation.
Donald D. Piehl 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.
Frederick Ashworth (1912 – 2005) was a Vice Admiral in the US Navy. Ashworth’s work on the Manhattan Project began in 1944.