Affiliations Courses Research 1987[position unknown]Philadelphia Academy Of Natural Sciences1984[position unknown]Academy Of Natural Sciences1985[position unknown]Academy Of Natural Sciences1986[position unknown]Academy Of Natural Sciences1988[position unknown]Academy Of Natural Sciences1970[position unknown]Brown University1971[position unknown]University Of Chicago1971Graduate StudentUniversity Of Chicago1972[position unknown]University Of Chicago1973[position unknown]University Of Chicago1975[position unknown]University Of Chicago1976Research AssociateUniversity Of Chicago 1970Experimental Invertebrate Zoology 1970Student1975Ecology 1975Special Lecturer1984Marine Ecology 1984Faculty/Staff/Lecturer1985Marine Ecology 1985Faculty/Staff/Lecturer1986Marine Ecology 1986Faculty/Staff/Lecturer1987Marine Ecology 1987Faculty/Staff/Lecturer1988Marine Ecology 1988Course Director 1971[subject unknown]Independent1971[subject unknown]Research Assistants1972[subject unknown]Research Assistants1973[subject unknown]Research Assistants1976[subject unknown]Independent Investigators