National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Matoske worked in the 300 Area at Hanford during the Manhattan Project.
Cossette Davis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
N. A. Powell worked for the Kellex Corporation at the K-25 Plant.
Charles D. Harrington was the President of Douglas United Nuclear, which helped manage some of reactor operations at Hanford beginning in 1965.