Jas B. Clayton

Edward F. Kolley

Edward F. Kolley was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Henry Robert Barwick

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

Lois A. Hendrickson

Hendrickson worked in the United States Engineer District Office.

R.R. Sackett