John T. Warren JOHN T. WARREN (1974-2011). Professor of Communication Pedagogy at Southern Illinois University, Carbondale, John served as director of the introductory course at Bowling Green State University and Southern Illinois University, Carbondale. His research, published in journals such as Communication Education, Basic Communication Course Annual, and Communication and Critical/Cultural Studies, often included analysis of foundational communication courses. Dr. Warren’s research interests lay at the intersections of pedagogy, performance, and difference, examining culture and power through critical, performative lenses. He was an author/editor of six books, including Performing Purity, Critical Communication Pedagogy, The SAGE Handbook of Communication and Instruction, and Communication: A Critical/Cultural Introduction.