National Museum of Nuclear Science & History
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William H. Borgerson served in the 393rd Bombardment Squadron.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.
