National Museum of Nuclear Science & History
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.
Charles Critchfield (1910-1994) was an American mathematical physicist. In December 1942, he was approached by J.
Bert M. Bowman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
