John A. Glass

Gordon W. Main

F. Brooks

J. F. Gebhardt

Gebhardt worked for Stone and Webster Engineering Corporation.

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.