National Museum of Nuclear Science & History
J. D. Mitchell worked for the Roane-Anderson Company.
James T. Holland worked for the Tennessee Eastman Corporation from June 1945 – September 1945 as a Beta machine mechanic in the Y-12 Plant, working in building 9204-3.
Colonel Franklin Matthias (1908 – 1993) was the officer-in-charge at the Hanford site. Matthias, a civil engineer, had been a close associate of General Groves since the beginning of the Manhattan Project, and was asked to review sites in the West.
Cordell W. Callahan served in the 1st Ordnance Squadron.
