| Head | Term |
|---|---|
| Robin Knops | 1971-1983 |
| John Williamson | 1983-1984 |
| Chris Eilbeck | 1984-1989 |
| Ken Brown | 1989-1992 |
| Jack Carr | 1992-1995 |
| Jim Howie | 1995-1999 |
| Ken Brown | 1999-2002 |
| Des Johnston | 2002-2006 |
| Dugald Duncan | 2006-2010 |
| Jim Howie | 2010-2110 |
The photograph was taken at Chris Eilbeck's retirement event in September 2010. It shows from left to right: Dugald Duncan, Jack Carr, Jim Howie, Pat Hampton, Chris Eilbeck, Ken Brown, Robin Knops and Des Johnston. Pat Hampton was Secretary to Robin Knops and then Departmental Secretary for many years to 2009.