Synopsis The study of the 'Ancient and Medieval Political Thinkers' reveals to us a huge collection of the ideas of the masterminds who were the architects of great movements in the history of mankind. Undoubtedly, these great political thinkers were the products of times, but to a great extent, they changed the times and shaped human destiny. Political ideas are the most important ones because upon them depends the fate of human society not only at a particular time but for all times to come and upon them stands the great edifice of human civilization. These ideas are the pillars of the great constitutions of the world. These ideas are the 'Jewels which shine by their own light'. Like the rise and fall of tides, they keep out spirits alive. The 'Ancient and Medieval Political Thinkers' Plato, Aristotle, Polybius, Cicero, St. Thomas Aquinas, St. Augustine, Dante, Padua and many others are standing on the high towers with the lamps of political knowledge and wisdom in their hands, giving us a clarion call, 'March on, march on, human race towards perfection' numerous are the books on this subject. What is the necessity of this book? The style of the book will reveal the reason.