National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
