National Museum of Nuclear Science & History
Pfennig worked for Stone and Webster Engineering Corporation.
Raymond P. Biel served as a second lieutenant in the 393rd Bombardment Squadron. He was the co-pilot of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.
B. Roswell Russell worked in the Health Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
