Marcel Danesi is Professor Emeritus of Anthropology at the University of Toronto, Canada. Before retirement he directed the Program in Semiotics and Communication Theory at Victoria College at the same university. He was editor-in-chief of Semiotica for two decades. He has also founded a research center in cognitive mathematics at the Fields Institute for Research in Mathematics, along with various cognitive scientists, called the CogSci Center. He has published extensively in the field of enigmatology (the science of puzzles).