National Museum of Nuclear Science & History
Sayers worked for Stone and Webster Engineering Corporation.
Williams worked at the 200 West Area at Hanford during the Manhattan Project.
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.
Bowers worked in the United States Engineering District Office.
