Professor of Biology, Indiana University 1967-1984
Associate Chairman Department of Biology, Indiana University 1975-1978
Chairman Department of Biology, Indiana University 1978-1981
Dean, College of Arts and Sciences, Indiana University 1981-1984
President, Bucknell University 1984-1995
Interim President, Pennsylvania Association of Colleges and Universities 1995-96
Professor of Biology, Bucknell University 1995-present
Fields of research and teaching interest
Microbiology. Carbon metabolism. Genetic adaptations to the environment in photosynthetic bacteria; mechanism for "gain-of-function" mutations.
Beginning studies on the genomics of endangered breeds of domestic sheep and other endangered livestock and domesticated plants.
Courses taught at Bucknell
BIOL 121 General Biology
BIOL 122 General Biology
BIOL 302 Microbiology
FOUNDATION SEMINAR: Domestication of Plants and Animals
CAPSTONE: Sustainability of World's food
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