National Museum of Nuclear Science & History
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.
Margaret Anderson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Chapman worked at the 200 West Area at Hanford during the Manhattan Project.
Nelson worked at the 300 Area at Hanford during the Manhattan Project.