John I. Hunt

W. L. Richardson

W. L. Richardson worked for the Union Carbide & Carbon Corporation.

Henry Robert Barwick

Henry Barwick worked as a plumber, pipefitter, and steamfitter during the building of the Y-12 plant at Oak Ridge.

Sidney H. Yenny

Sidney Yenny was a staff worker at Los Alamos during the Manhattan Project.

John F. Cassidy