In the Centenary Sessions Bob Dobbs and Andrew Chrystall dialogue on a variety of cultural outputs generated during the McLuhan Centenary celebrations. In this session Bob and Andrew discuss an article by Professor Robert K. Logan. Logan is a long-time friend and collaborator of McLuhan’s. He has authored a number of significant works including: The Poetry of Physics and the Physics of Poetry, The Alphabet Effect, The Sixth Language, and The Extended Mind. Logan has received several mentions during the MoMday Seminars, particularly in relation to his work on early alphabets and ancient writing systems.