National Museum of Nuclear Science & History
Clark Prather worked for the Kellex Corporation at the K-25 Plant.
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.
A. J. O'Donnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Keenan worked for Stone and Webster Engingeering Corporation.
I. T. Lockwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.