Edgar B. Stein

Arnold E. Sleipnes

Arnold E. Sleipnes served as a techical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.

J. E. Crawford

J. E. Crawford worked for the Midwest Piping and Supply Company.

D. H. Churchman

Margaret Caldes

Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.