Unended Quest: An Intellectual Autobiography offers a fascinating and deeply personal insight into the mind of one of the 20th century's most influential philosophers, Karl Popper. In this compelling memoir, Popper traces the development of his groundbreaking ideas, from his early interests in physics and psychoanalysis to the formulation of his critical rationalism and the principle of falsifiability, which revolutionized the philosophy of science. He recounts his intellectual journey, the significant challenges he faced, and his encounters with other prominent thinkers, providing context for his seminal works like "The Logic of Scientific Discovery" and "The Open Society and Its Enemies." This autobiography is not merely a chronological account but a reflection on the continuous search for truth and understanding that defined his life and work, inviting readers to explore the foundations of modern scientific thought and political freedom through his unique perspective.