Robert O. Willis

William Paul

G. W. Flack

G. W. Flack worked for the Union Carbide & Carbon 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.

H. L. Goodwin

H. L. Goodwin worked for the Roane-Anderson Company.