Amartya Sen is Thomas W. Lamont University Professor and a professor of economics and philosophy at Harvard University and was until 2004 the master of Trinity College, Cambridge. He is a co-author, with Joseph E. Stiglitz and Jean-Paul Fitoussi, of Mismeasuring Our Lives: Why GDP Doesn’t Add Up (The New Press). In 1998 he received the Nobel Prize in Economics and in 2012 the National Humanities Medal. He lives in Cambridge, Massachusetts.