Fred G. Blackwell

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.

Philip M. Heath

Lawrence B. Magnusson

Lawrence B. Magnusson was a research associate at the Metallurgical Laboratory at the University of Chicago.

John Janick