This reference work investigates the foundational ideas and intellectual contributions of the most influential political thinkers of the twentieth century. Philip Green and Robert Benewick compile a comprehensive index of theorists, activists, and philosophers who shaped the political landscape of the modern era. The text provides a structured framework for understanding the ideological shifts, conflicts, and theoretical developments that defined global politics from 1900 to 2000.

Reader & Expert Consensus: Scholars and students frequently utilize this volume as a foundational reference for navigating the complex intellectual history of the twentieth century. Experts highlight the clarity of the entries and the breadth of the selection as essential for academic research in political science.