National Museum of Nuclear Science & History
W. D. Simms worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. R. Perret worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Barger worked in the United States Engineer District Office.
Fred Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Spear worked at the 200 East Area at Hanford during the Manhattan Project.