- 1976Associate Professor Of Biology
- 1989[position unknown]
- 1991[position unknown]
- 1992[position unknown]
- 1993[position unknown]
- 1994[position unknown]
- 1995[position unknown]
- 1976[position unknown]
- 2007[position unknown]
- 2008[position unknown]
- 1976Professor Of Biology
- 1976Professor Of Biology