Dr. Geoffrey Martin Rockwell is a Professor of Philosophy and Humanities Computing at the University of Alberta, Canada. He received a B.A. in philosophy from Haverford College, an M.A. and Ph.D. in Philosophy from the University of Toronto and worked at the University of Toronto as a Senior Instructional Technology Specialist. From 1994 to 2008 he was at McMaster University where he was the Director of the Humanities Media and Computing Centre (1994 - 2004) and he led the development of an undergraduate Multimedia program funded through the Ontario Access To Opportunities Program. He has published and presented papers in the area of philosophical dialogue, textual visualization and analysis, humanities computing, instructional technology, computer games and multimedia. He was the project leader for the CFI (Canada Foundation for Innovation) funded project TAPoR, a Text Analysis Portal for Research, which has developed a text tool discovery portal at tapor.ca. He has published a book Defining Dialogue: From Socrates to the Internet with Humanity Books and is now preparing a book titled Hermeneutica (with Stéfan Sinclair) for publication. This book is part of a hybrid text and tool project with Voyant, a suite of analytical tools.