The study of communication theory and practice… seems inevitably to hold the key to the unification of the proliferating specialisms of modern knowledge. In this study, the physicists can profitably confer with the student of poetry or philosophy. And the advertising executive can converse intelligibly with the anthropologist or linguist. In moving towards the harmonizing of the arts and sciences, the later Innis appears as one of the indisputable pioneers whose work will for long remain not only a standard reference but a source of ever renewed insight.