National Museum of Nuclear Science & History
Mehann worked in the 200 West Area at Hanford during the Manhattan Project.
Squires worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
