- 1976[subject unknown]Independent Investigators
- 1977[subject unknown]Independent
- 1979[subject unknown]Independent
- 1981[subject unknown]Independent
- 1982[subject unknown]Independent
- 1983[subject unknown]Independent
- 1984[subject unknown]Independent
- 1985[subject unknown]Independent
- 1986[subject unknown]Independent
- 1987[subject unknown]Independent
- 1988[subject unknown]Principal Investigators
- 1989[subject unknown]Independent
- 1990[subject unknown]Principal Investigators
- 2004[subject unknown]Whitman Investigators
- 2005[subject unknown]Whitman Investigators
- 2006[subject unknown]Whitman Investigators
- 2007[subject unknown]Whitman Investigators
- 2008[subject unknown]Whitman Investigators