Robert M. Sprague

Alex L. Smith

Ewart W. Nitschke

Attended Colorado State University.

E. L. Olson

E. L. Olson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Ray Smith

Ray Smith is the historian at the Y-12 National Security Complex. His specific focus is the history of Oak Ridge, and he is intimately acquainted with the uranium enrichment processes undertaken at the Y-12, K-25, and S-50 plants during the Manhattan Project, and how the Fat Man and Little Boy bombs worked.