National Museum of Nuclear Science & History
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.
LeRoy Grigsby worked for the Roane-Anderson Company.
Harper worked for Stone and Webster Engineering Corporation.
Chowning worked at the 200 East Area at Hanford during the Manhattan Project.
R. W. Engels worked at the 300 Area at Hanford during the Manhattan Project.
