Master of Science, Memphis State University, 1965. Doctor of Philosophy, Mississippi State University, 1968.Asst. professor biology Memphis State University, 1968-1972, associate professor biology,1972-1977, associate dean, 1977-1980, acting dean, 1980-1981, professor, department chairman biology, since 1981.
Assistant professor biology Memphis State University, 1968—1972, associate professor biology, 1972—1977, associate dean, 1977—1980, acting dean, 1980—1981, professor, chairman department biology, since 1981.
Scoutmaster Boy Scouts America, Memphis, 1975. Ruling elder Presby. Church, 1978—1981. Member of American Association for the Advancement of Science, Crustacian Society, International Association Astacologists (secretary/treasurer 1981-1984, president-elect 1984-1986, president 1987-1989), American Society Zoologists, Association Southeastern Biologists, Phi Kappa Phi, Sigma Xi.
Married Marcella Ruth Ryan, June 2, 1963. Children: Christopher R., Polly A. Bachelor of Science, University Tennessee.