Affiliations Research 1992[position unknown]Pennsylvania School Of Medicine1972Assistant Professor Of BiologyPennsylvania State University1977Associate ProfessorPennsylvania State University1978Associate ProfessorPennsylvania State University1979[position unknown]Pennsylvania State University 1972[subject unknown]Library Readers1977[subject unknown]Library Readers1978[subject unknown]Independent1979[subject unknown]Library Readers1992[subject unknown]Library Readers: Desks