Affiliations Courses 1979[position unknown]Swarthmore College1980[position unknown]Swarthmore College1981[position unknown]Swarthmore College1982[position unknown]Swarthmore College 1979Behavior 1979Faculty/Staff/Lecturer1980Behavior 1980Faculty/Staff/Lecturer1981Behavior 1981Faculty/Staff/Lecturer1982Behavior 1982Faculty/Staff/Lecturer
