Who is John Galt? is the immortal question posed at the beginning of Ayn Rand's masterpiece. The answer is the astonishing story of a man who said he would stop the motor of the worldand did. Rand dramatizes the main tenets of Objectivism, her philosophy of rational selfishness. She explores the ramifications of her radical thinking in a world that penalizes human intelligence and integrity. Part mystery, part thriller, part philosophical inquiry,...