- 1993[position unknown]
- 1990[position unknown]
- 1991[position unknown]
- 1986[position unknown]
- 1997[position unknown]
- 1998[position unknown]
- 1999[position unknown]
- 2000[position unknown]
- 1991[position unknown]
- 1925Assistant Professor
- 1935Professor Of Zoology, Director Of The Zoological Institute
- 1977Professor
- 1984[position unknown]