J. B. Davidson

E. Prendergast

E. Prendergast worked for the United States Engineer District Office.

E. W. O’Rorke

H. R. Grady

H. R. Grady worked for the Tennessee Eastman Corporation at the Y-12 Plant.

W. O. Watson

W. O. Watson worked for the Tennessee Eastman Corporation at the Y-12 Plant.