National Museum of Nuclear Science & History
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.
J. J. Mulligan served in the 390th Air Service Group.
Major Harry D. Riley (1907-1996) worked on the Manhattan Project at Hanford as an engineering officer and chief of services.
