National Museum of Nuclear Science & History
Harold Koch was an electrical engineer at Oak Ridge, Tennessee during the Manhattan Project.
Hardleben worked at the 100-F Area at Hanford during the Manhattan Project.
William Bunnell served at Los Alamos after the war from 1946 to 1948. He was a security guard and a member of the Military Police located at Los Alamos.
George L. Arnold served in the 393rd Bombardment Squadron.