- 2011[position unknown]
- 1968[position unknown]
- 1976[position unknown]
- 2011[position unknown]
- 1974[position unknown]
- 1976Graduate Student And Doctoral Candidate
- 1977[position unknown]
- 1977Doctoral Candidate And Teaching Assistant
- 1978Doctoral Candidate
- 1980[position unknown]
- 1971[position unknown]
- 1973Assistant Professor
- 1974Assistant Professor
- 1975Assistant Professor
- 1976Assistant Professor