National Museum of Nuclear Science & History
Clement worked at the 100-B Area at Hanford during the Manhattan Project.
Harold Riley was an American chemical engineer. After graduating from North Carolina State College, Riley began his career working as a rayon technician at the DuPont Company.
Hester was a staff member at Los Alamos during the Manhattan Project.
C. H. Lawson worked for the Roane-Anderson Company.
