Affiliations Courses Research 1989[position unknown]Ninds1993[position unknown]National Institutes Of Health2004[position unknown]National Institutes Of Health1989[position unknown]Nih1990[position unknown]Nih1972[position unknown]Duke University1972Associate ProfessorDuke University1973[position unknown]Duke University1990[position unknown]Niddk1987[position unknown]Columbia University1988[position unknown]Columbia University1960[position unknown]Tufts University 1960Zoology 1960Student1972Experimental Invertebrate Zoology 1972Instructor1973Experimental Invertebrate Zoology 1973Special Lecturer1987Neurobiology 1987Student2004Neurobiology 2004Section Director 1972[subject unknown]Independent1988[subject unknown]Principal Investigators1989[subject unknown]Independent1990[subject unknown]Principal Investigators1993[subject unknown]Pricipal Investigators