The article consists of a brief biographical account of Immanuel Kant’s life and career, followed by a discussion of his basic philosophy, and a brief discussion of his pivotal point in the history of Rhetoric and Communicology. A major figure in the European Enlightenment period of Philosophy, his Collected Writings were first published in 1900 constituting 29 volumes. He wrote three major works that are foundational to the development of Western philosophy and the human sciences. Often just referred to as (...) the “Three Critiques” informally, the First, the Second, and the Third. These are respectively: The Critique of Pure Reason focused on issues in logic, The Critique of Practical Reason relating ethical guidelines, and The Critique of Judgment exploring issues of aesthetics. He is most famous for his philosophy of transcendental idealism. This version of idealism argues that in logic statements are analytic or synthetic. He further argues that statements are a priori or a posteriori. Models of rhetoric, phenomenological methodology, and the contemporary Perspectives Model of interpersonal communicology are included as the Kantian legacy in the US. Notes provide a guide to edition and philological issues in the Kantian corpus, especially for the hermeneutics of Vorstellung versus Darstellung. (shrink)