National Museum of Nuclear Science & History
Ossie Parker worked for the Edenfield Electric 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.
Ernest Capell worked for the Poe Piping & Heating Company.