Leon H. Keyserling: A Progressive Economist is the insightful biography of the life and thought of the influential liberal reformer Leon H. Keyserling. By examining Keyserling's life in the context of integrative liberalism, an often-overlooked philosophy of reform in the second half of the twentieth century, the biography aims to explore the origins of the concept of integrative liberalism and Keyserling's contribution to the concept through his policies and politics.