How did American and British policymakers become so enamored with free markets, deregulation, and limited government? This book--the first comprehensive transatlantic history of the rise of neoliberal politics--presents a surprising answer. Based on archival research and interviews with leading participants in the movement, Masters of the Universe traces the ascendancy of neoliberalism from the academy of interwar Europe to supremacy under Reagan and Thatcher and in the decades since. Daniel Stedman Jones argues that there was nothing inevitable about the victory of free-market politics. Far from being the story of the simple triumph of right-wing ideas, the neoliberal breakthrough was contingent on the economic crises of the 1970s and the acceptance of the need for new policies by the political left. Masters of the Universe describes neoliberalism's road to power, beginning in interwar Europe but shifting its center of gravity after 1945 to the United States, especially to Chicago