Harold Adams Innis was a Canadian political economist who turned to the study of communication in the last years of his career and life, publishing two important works on the media, Empire and Communications (1950) and The Bias of Communication (1951). These two difficult and expansive scholarly books have provided a foundation for Canadian political economy of communication studies since their publication, but in the United States and elsewhere, Innis's legacy primarily has been the influence his work had on Marshall McLuhan, who was a controversial colleague at the University of Toronto from the late 1940s until Innis's death and who became a well-known media theorist in the 1960s. Before he died, Innis was a professor and head of the Department of Political Economy and dean of the School of Graduate Studies at the University of Toronto. Innis College is now named after him...