National Museum of Nuclear Science & History
Harold Smith worked for the Kellex Corporation at the K-25 Plant.
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.
Harder worked at the 300 Area at Hanford during the Manhattan Project.
Easter Seaton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leonard M. Blumenfeld served in the 393rd Bombardment Squadron.
