Harvey L. Piepho

Franklin Matthias

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.

T. L. Leahy

T. L. Leahy worked for the United States Engineer District Office.

Elmira B. Overton

Elmira Overton worked for the United States Engineer District Office.

Charles R. Barncord