Preeminent scholar David Olson opens this symposium with a reflection on the decades-long debate concerning the relationship between written and oral discourse. His essay is followed by a series of responses by leading literacy researchers, including David Bloome, Anne Haas Dyson, James Paul Gee, Martin Nystrand, Victoria Purcell-Gates, and Gordon Wells. The symposium concludes with a further essay by Professor Olson, in which he offers his reflections on these scholars’ comments and looks to the continuing conversation.