National Museum of Nuclear Science & History
W. A. Plumb worked for the United States Engineer District Office.
Copeland worked in the United States Engineer District Office.
Cole worked at the 200 West Area at Hanford during the Manhattan Project.
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
A. T. Sampson worked for the Tennessee Eastman Corporation at the Y-12 Plant.