National Museum of Nuclear Science & History
D. L. Donavan worked for the Roane-Anderson Company.
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.
Melville Heideman served in the 1st Ordnance Squadron.
