THOMAS PIKETTY is professor of economics at the Paris School of Economics and the École des hautes études en sciences sociale, and Centennial Professor at the London School of Economics's International Inequalities Institute. He is the author of numerous articles and a dozen books. He has done major historical and theoretical work on the interplay between economic development and the distribution of income and wealth. His most recent book is Capital in the Twenty-First Century. He lives in Paris, France.