Melvin G. Hopkins

Fred Cox Jr.

Martin P. Warren

Martin Warren was a staff worker at Los Alamos during the Manhattan Project.

Mortimer D. Abbott

Mortimer D. Abbott was a group leader in the Technical Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Paul W. Gruning

Paul W. Gruning served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier on the B-29 Jabit III on the Hiroshima mission.