Oscar L. Thetford

Paul R. O’Connor

Paul R. O’Connor was a junior chemist at the University of Chicago Met Lab during the Manhattan Project.

Harvey Walker, Jr.

Raymond P. Biel

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.

Cornelius M. Ridner

Cornelius Ridner was a staff worker at Los Alamos during the Manhattan Project.