Clarendon Later Ancient PhilosophersGeneral Editors: Professor Jonathan Barnes, Balliol College, Oxford, and Professor A. A. Long, University of California, BerkeleyThis series, which is modelled on the familiar Clarendon Aristotle and Clarendon Plato Series, is designed to encourage philosophers and students of philosophy to explore the fertile terrain of later ancient philosophy. The texts will range in date from the first century BC to the fifth century AD, and they will cover all the parts and all the schools of philosophy. Each volume will contain a substantial introduction, an English translation, and a critical commentary on the philosophical claims and arguments of the text. The translations will aim primarily at accuracy and fidelity; but they will also be readable and accompanied by notes on textual problems that affect the philosophical interpretation. No knowledge of Greek or Latin will be assumed.Galen's On the Therapeutic Method, written late in his life, represents the distillation in its most complete form of Galen's views on the nature, genesis, proper classification, and treatment of disease. It was one of the most widely read of all classical texts during the Middle Ages and the Renaissance, and formed the core of the medical curriculum until the seventeenth century. Although still deeply influential in the nineteenth century, it has been unjustly neglected in modern times. The work contains a fascinating collection of views on scientific terminology and taxonomy, the application of the logical methods of collection and division to science, the axiomatization of science, and the structure of causation. Consequently it is a key text in later Greek philosophy of science. R. J. Hankinson provides here the first translation into any modern language of the first two books, together with an introduction and a philosophical commentary.