Instructor Yale University School Medicine, New Haven, 1962—1964. Head microbiology section Allegheny General Hospital, Pittsburgh, from 1964. Adjunct associate professor microbiology Pennsylvania State University, 1965—1997.
Clinical assistant pathology University Pittsburgh, 1955—1971. Consultant College American Pathologists, Chicago, 1978—1980. Senior scientist Allegheny General Hospital, from 1980.
Professor laboratory medicine and pathology Allegheny University, from 1990, professor microbiology and immunology, from 1991. Associate editor Medical Microbiology Letters, 1991—1997.
Member Pittsburgh Savoyard Orchestra, from 1965, Pittsburgh Woodwind Quintet, from 1964. Fellow: American Academy Microbiology (committee on postdoctoral educational programs 1974-1979). Member: New York Academy of Sciences, American Association for the Advancement of Science, American Society Microbiology (ethical practices committee), Western Pennsylvania Society Clinical Microbiologists (president since 1971), Sigma Xi.
1962 - 1964