National Museum of Nuclear Science & History
H. W. Caldwell worked for the Edenfield Electric Company.
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.
K. M. Fatley worked for the J.A. Jones Construction Company.
Arthur L. Johnson served in the 390th Air Service Group.
