This document provides an overview of the history of economic thought, outlining major economists and their ideas from ancient times through contemporary economic theory. It discusses early Greek philosophers like Xenophon and Aristotle and their work on household management. It then covers mercantilism and physiocrats before detailing the classical economists like Adam Smith, David Ricardo, Thomas Malthus, and Karl Marx. The document also summarizes the ideas of neoclassical thinkers, Keynes and the development of macroeconomics, monetarism, and concludes with some modern economists like Thomas Piketty.