Janne Gallen-Kallela-Sirén (2013–present) Louis Grachos (2002-2013) Douglas G. Schultz (1983-2002) Robert T. Buck, Jr. (1973-1983) Gordon M. Smith (1955–1973) Edgar C. Schenck (1949–1955) Andrew C. Ritchie (1942–1949) Gordon B. Washburn (1931–1942) William M. Hekking (1925–1931) Cornelia Bentley Sage Quinton (1910–1924) Charles McMeen Kurtz (1905–1909)