Arthur C. Damask

Hannibal Fraga

Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.

Peggy E. Titterton

Peggy Eileen (Johnson) Titterton was a laboratory assistant at Los Alamos and the wife of physicist Ernest Titterton.

R. McDonald

Ralph Levey

Levey was a member of the Army Special Engineering Detachment who worked at the K-25 plant at Oak Ridge during the Manhattan Project.