Martin Nystrand (Ph.D., Northwestern University) is LOUISE DURHAM MEAD PROFESSOR OF ENGLISH at the University of Wisconsin-Madison. His research focuses on the dialogic organization of discourse in both writing and classroom discourse. His writing research examines how writing-reader interaction shapes the writer s writing process and development: The Structure of Written Communication: Studies in Reciprocity Between Writers and Readers (Academic Press, 1986). His classroom discourse research, in collaboration with Adam Gamoran, probes the role of classroom interaction in student learning and