The Man Who Solved the Market, which explores the life and career of Jim Simons, a mathematician who revolutionized the finance world through quantitative investing. The book recounts Simons's journey from his early years as a codebreaker to his founding of Renaissance Technologies, a hedge fund that uses advanced mathematical models and computer algorithms to predict market movements. It details the evolution of Renaissance's trading strategies, the personalities of its key personnel, and the company's rise to prominence in the finance industry. The excerpt also highlights the influence of Simons and his company on the broader market, as quantitative investing becomes increasingly prevalent.