47.57 (+0.49) 
| Retired Chairmen of the Board of Directors (First established in 1948) | |
|---|---|
| 1999-2004 | Daniel P. Burnham |
| 1991-1999 | Dennis J. Picard |
| 1975-1991 | Thomas L. Phillips |
| 1964-1975 | Charles F. Adams |
| 1962-1964 | no Chairman position |
| 1960-1962 | Charles F. Adams |
| 1950-1960 | no Chairman position |
| 1948-1950 | Laurence K. Marshall |
| Retired Chief Executive Officers (First established in 1968) | |
| 1998-2003 | Daniel P. Burnham |
| 1991-1998 | Dennis J. Picard |
| 1968-1991 | Thomas L. Phillips |
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