National Museum of Nuclear Science & History
M. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John O. Barker served in the 320th Troop Carrier Squadron.
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.
