- 1950Graduate Student
- 1948Graduate Student
- 1996[position unknown]
- 1951Research Assistant
- 2011[position unknown]
- 2005[position unknown]
- 1992[position unknown]
- 2011[position unknown]
- 2010[position unknown]
- 2011[position unknown]
- 1981[position unknown]
- 1962Assistant Of Pathology