National Museum of Nuclear Science & History
Baldwin worked for Stone and Webster Engineering Corporation.
Conen served as a first lieutenant in the 393rd Bombardment Squadron. He participated in the mission to bomb Hiroshima as a flight engineer for the Top Secret.
Mary Tinsley was a laboratory techinician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. G. Smith worked for the Roane-Anderson Company.