| Board of Directors | 1919 – 1997 |
| Board of Directors | 2001 – 2004 |
| Board of Directors | 2002 – 2004 |
| Board of Directors | 1919 – 1997 |
| Board of Directors | 1919 – 1993 |
| Board of Directors | 1919 – 1992 |
| Board of Directors | 1997 – 1998 |
| Board of Directors | 1919 – 1995 |
| Board of Directors | 1919 – 1988 |
| Board of Directors | 1998 – 2001 |
| Board of Directors | 1919 – 1992 |
| Board of Directors | 2009 – 2011 |
| Board of Directors | 2004 – 2009 |
| Board of Directors | 1919 – 1996 |
| Board of Directors | 1997 – 2002 |
| Board of Directors | 2004 – 2011 |
| Board of Directors | 2002 – 2004 |
| Board of Directors | 1919 – 1997 |
| Board of Directors | 1919 – 1989 |
| Board of Directors | 1919 – 1989 |
| Chairman | 2004 – 2011 |
| Board of Directors | 1999 – 2002 |
| Board of Directors | 1919 – 1998 |
| Board of Directors | 1998 – 1999 |