William E. Liebeck

James A. Jensen

James Jensen was a machinist at Hanford, Washington from September 1944 to the end of the war. Jensen's security clearance allowed him to machine parts and complete various tasks for the maintenance of the nuclear piles.

C. M. Walker, Jr.

C. M. Walker, Jr. worked for the Kellex Corporation at the K-25 Plant.

E. T. O’Conner

E. T. O'Conner worked for the Roane-Anderson Company.

George F. Gaa