Philosophy, or the search for answer to fundamental problems of knowledge, being, nature, and values, has attracted the attention of notable thinkers in all periods of Western civilization. Starting with the earliest Greek philosophers and continuing down to the present day, this book present the chief figures, with a brief resume of their lives and historical background and a succinct account of their philosophy. General comments sum up the philosophy each period. The book thus provides a starting point for discussion and deeper investigation of particular philosophers or schools as well as a handy revision tool for course of study. It is both a textbook and a reference book, useful for a variety of courses in philosophy, theology, or history, and its usefulness to teachers and student is enhanced by a generous bibliography.