1906-1908 Martin M. Higgins
1908 William Pratt Chaffinch
1908-1910 Charles W. Adams
1910-1914 Martin M. Higgins
1914-1916 Joseph B. Seth
1916-1918 Michael B. Nichols
1918-1919 Francis G. Wrightson
1919-1920 Frank Ross
1920-1926 Francis G. Wrightson
1926-1929 James B. Clark
1929-1930 George L. Walker
1930-1934 William Herman Hopkins
1934-1942 Francis Hall Wrightson
1942-1950 Joseph F. Barnes
1950-1954 L. Roy Willis
1954-1958 Calvin G. Lomax
1958-1959 L. Roy Willis
1959-1960 Walter H. Barnes
1960-1961 Calvin G. Lomax
1961-1971 Sherwood M. Hubbard
1971-1979 Henry H. Purdy
1979-1996 George P. Murphy
1996- C. Eugene Butler
