| Board of Directors | 2005 – 2006 |
| Board of Directors | 2006 – 2009 |
| Chairman | 1918 – 1998 |
| Board of Directors | 2012 – 2012 |
| Board of Directors | 1999 – 2005 |
| Board of Directors | 1918 – 2000 |
| Board of Directors | 1918 – 1991 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 1918 – 2002 |
| Chairman | 1998 – 2000 |
| Board of Directors | 1918 – 1992 |
| Board of Directors | 1918 – 1993 |
| Chairman | 2001 – 2006 |
| Board of Directors | 1918 – 2000 |
| Board of Directors | 1918 – 1991 |
| Board of Directors | 1918 – 1990 |
| Chairman | 1918 – 1995 |
| Board of Directors | 1918 – 1993 |
| Board of Directors | 1918 – 1991 |
| Board of Directors | 1918 – 1989 |
| Board of Directors | 1918 – 1991 |
| Board of Directors | 2001 – 2011 |
| Board of Directors | 2000 – 2005 |
| Board of Directors | 2006 – 2011 |
| Board of Directors | 2001 – 2005 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 1918 – 1998 |
| Board of Directors | 2012 – 2012 |
| Board of Directors | 1918 – 2000 |
| Board of Directors | 1918 – 1993 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 1918 – 1989 |
| Board of Directors | 1918 – 1994 |
| Board of Directors | 2012 – 2012 |