Amartya Sen is Thomas W. Lamont University Professor, and Professor of Economics and Philosophy, at Harvard University and was until 2004 the Master of Trinity College, Cambridge. He is also Senior Fellow at the Harvard Society of Fellows. Earlier on he was Professor of Economics at Jadavpur University Calcutta, the Delhi School of Economics, and the London School of Economics, and Drummond Professor of Political Economy at Oxford University. Amartya Sen has served as President of the Econometric Society, the American Economic Association, the Indian Economic Association, and the International Economic Association. His research has ranged over social choice theory, economic theory, ethics and political philosophy, welfare economics, theory of measurement, decision theory, development economics, public health, and gender studies. Amartya Sen’s books have been translated into more than thirty languages, and include Choice of Techniques (1960), Growth Economics (1970), Collective Choice and Social Welfare (1970), Choice, Welfare and Measurement (1982), Commodities and Capabilities (1987), The Standard of Living (1987), Development as Freedom (1999), Identity and Violence: The Illusion of Destiny (2006), The Idea of Justice (2009), and (jointly with Jean Dreze) An Uncertain Glory: India and Its Contradictions (2013), and The Country of First Boys (2015). Amartya Sen’s awards include Bharat Ratna (India); Commandeur de la Legion d'Honneur (France); the National Humanities Medal (USA); Ordem do Merito Cientifico (Brazil); Honorary Companion of Honour (UK); Aztec Eagle (Mexico); Edinburgh Medal (UK); the George Marshall Award (USA); the Eisenhower Medal (USA); and the Nobel Prize in Economics.