- 1973[subject unknown]Research Assistants
- 1987[subject unknown]Independent
- 1988[subject unknown]Principal Investigators
- 1989[subject unknown]Independent
- 1990[subject unknown]Principal Investigators
- 2003[subject unknown]Visiting Principal Investigators
- 2004[subject unknown]Whitman Investigators
- 2005[subject unknown]Whitman Investigators
- 2006[subject unknown]Whitman Investigators
- 2007[subject unknown]Other Research Personnel
- 2008[subject unknown]Other Research Personnel
- 2010[subject unknown]Whitman Center Investigators