W. W. Snyder Jr.

J. F. Morgan

J. F. Morgan worked for the J.A. Jones Construction Company.

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.

J. T. Sevier

J. T. Sevier worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Clarence C. Simpson