| Year | Position | Institution |
| 1960 | Neurophysiologist | National Institutes Of Health 4 |
| 1970 | Professor Of Biology | California Institute Of Technology 8 |
| 1971 | Professor Of Biology | California Institute Of Technology 4 |
| 1980 | California Institute Of Technology | |
| 1985 | Boston University 4 | |
| 1986 | Boston University 4 | |
| 1986 | Boston University School Of Medicine | |
| 1987 | Marine Biological Laboratory | |
| 1988 | Marine Biological Laboratory | |
| 1989 | Marine Biological Laboratory | |
| 1990 | Marine Biological Laboratory | |
| 1991 | Marine Biological Laboratory | |
| 1992 | Marine Biological Laboratory | |
| 1993 | Usuhs | |
| 1994 | Usuhs | |
| 1995 | Usuhs |
| Year | Role | Course |
| 1970 | Instructor | Neurobiology 1970 |
| 1971 | Instructor | Neurobiology 1971 |
| 1990 | Lecturer | Marine Ecology: Concepts, Techniques And Applications Of Molecular Probes 1990 |
| Year | Subject | Role |
| 1960 | Independent | |
| 1970 | Independent | |
| 1985 | Independent | |
| 1986 | Independent |
| Year | Start Date | End Date | Subject | Role |
| 1980 | - | - | Friday Evening Lecturer | |
| 1986 | - | - | Corporation Member | |
| 1987 | - | - | Corporation Member | |
| 1988 | - | - | Corporation Member | |
| 1989 | - | - | Corporation Member | |
| 1990 | - | - | Corporation Member | |
| 1991 | - | - | Corporation Member | |
| 1992 | - | - | Corporation Member | |
| 1993 | - | - | Corporation Member | |
| 1994 | - | - | Corporation Member | |
| 1995 | - | - | Corporation Member | |
| 1996 | - | - | Corporation Member | |
| 1997 | - | - | Corporation Member | |
| 1998 | - | - | Corporation Member | |
| 1999 | - | - | Corporation Member | |
| 2000 | - | - | Corporation Member |