- 1968[position unknown]
- 1969Assistant Professor Of Biology
- 1970Assistant Professor Of Biology
- 1971Assistant Professor Of Biology
- 1961[position unknown]
- 2003[position unknown]
- 2005[position unknown]
- 2008[position unknown]
- 1972[position unknown]
- 1973[position unknown]
- 1974[position unknown]
- 1975[position unknown]