Urpo Koskela

V. Alexander Nedzel

V. Alexander Nedzel was a research assistant at the University of Chicago Met Lab. After the Manhattan Project, he worked at the Institute for Nuclear Studies and was head of the Aerospace Division at MIT Lincoln Laboratory.

Phil Belcher

Ralph Mount

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.