FITZPATRICK, Tony. American, b. 1949. Genres: Environmental sciences/Ecology, Natural history, Essays, Novels. Career: Writing teacher at junior high, high school, and college levels, 1972-83; University of Illinois, Urbana, agriculture writer and editor, 1980-87; Washington University, St. Louis, MO, science editor, 1987-; writer. Publications: Signals from the Heartland, Walker, 1993. Address: Washington University, 1 Brookings Dr., P.O. Box 1070, St. Louis, MO 63130, U.S.A.