From Ancient Greek Philosophers to the Modern Thinkers Previously titled " Sages Of the Ages " Main Topics Include : Political philosophy of Ancient Greeks Socrates Plato Aristotle The Epicureans and stoics Polybius Cicero Seneca Early Medieval political thought St. Augustine John of Salisbury Thomas Aquinas Marsilio of Padua William Of Occam Dante John Wycliff The Conciliar Movement Niccolo Machiavelli Jean Bodin Thomas Hobbes John Locke David Hume Edmund Burke Democracy and Parliamentarianism National Socialism