Postdoctoral fellow Cold Spring Harbor Lab, New York, 1972-1974. Assistant professor bacteriology University Wisconsin, Madison, 1975-1977, associate professor, 1977-1981, professor, 1981-1984, Vilas professor, 1984-1986. Van Vleet professor virology University Tennessee, Memphis, since 1986.
Member genetic biology review panel National Science Foundation, 1980-1982, advisory panel prokaryotic biology, since 2004. Member general research support review committee National Institutes of Health, Bethesda, 1982-1986, member microbial physiology and genetics 2 study secretary, 1997-2001. Member science advisory committee institutional research grants American Cancer Society, 1991-1994.
Fellow American Academy Microbiology (board governors 1991-1999). Member American Society Microbiology (chairman division H 1983, councillor division H 1989-1991, chairman committee on awards 1990-1996, president-elect 1999-2000, president 2000-2001, past president 2001-2002, Eli Lilly award 1985, American Society for Microbiology Founders Distinguished Service award 1999, Alice C. Evans award 2007), American Society Biochemistry and Molecular Biology, Genetics Society of America (board directors 1989-1991, program committee 1989-1990).
1972 - 1974
1975 - 1977