| Former (22) |
| Board of Directors | 1869 – 1996 |
| Board of Directors | 1869 – 1990 |
| Board of Directors | 1869 – 1994 |
| Board of Directors | 1869 – 2000 |
| Board of Directors | 2001 – 2007 |
| Board of Directors | 1869 – 1994 |
| Board of Directors | 2000 – 2003 |
| Board of Directors | 1869 – 1990 |
| Board of Directors | 1869 – 2003 |
| Board of Directors | 1869 – 2001 |
| Board of Directors | 1869 – 1998 |
| Board of Directors | 1869 – 1990 |
| Board of Directors | 1869 – 1990 |
| Board of Directors | 1869 – 2007 |
| Board of Directors | 2000 – 2007 |
| Chairman | 1869 – 1990 |
| Board of Directors | 1999 – 2005 |
| Board of Directors | 1869 – 2000 |
| Board of Directors | 1869 – 1990 |
| Board of Directors | 2005 – 2007 |
| Board of Directors | 2001 – 2007 |
| Board of Directors | 1998 – 2001 |