HALPERN, Sue. American. Genres: Sciences. Career: Columbia University, NYC, research associate, 1985-87; Bryn Mawr College, Bryn Mawr, PA, assistant professor, 1987-88; writer. Publications: Migrations to Solitude, 1992; Four Wings and a Prayer, 2001. Contributor to popular magazines and newspapers. Address: c/o Watkins Loomis Agency Inc., 133 E. 35th St., New York, NY 10016-3886, U.S.A.