National Museum of Nuclear Science & History
H. A. Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hunt worked at the 100-B Area at Hanford during the Manhattan Project.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
Samuel Beall Jr. is a nuclear engineer who worked on the Manhattan Project at Chicago, IL, Oak Ridge, TN, and Hanford, WA.