In Pursuit of the Perfect Portfolio, a book exploring the evolution of portfolio management theory and practice. It profiles influential figures like Harry Markowitz, William Sharpe, Eugene Fama, and Jack Bogle, highlighting their contributions to modern portfolio theory and the efficient market hypothesis. The book traces the history of financial instruments from ancient Mesopotamia to the present, examining the development of key concepts like diversification, risk assessment, and the role of behavioral economics. It also considers different approaches to portfolio construction, contrasting active and passive strategies, and ultimately considers various perspectives on what constitutes the "perfect" portfolio. Finally, the text details how these individuals and their ideas have shaped the investment world.