Amartya Kumar Sen (born 3 November 1933) is an eminent Indian economist and philosopher. He is currently the Thomas W. Lamont University Professor and Professor of Economics and Philosophy at Harvard University. He is also a senior fellow at the Harvard Society of Fellows and a Fellow of Trinity College, Cambridge, where he previously served as Master from the years 1998 to 2004. Amartya Sen is best known for his work on famine, social choice theory, welfare economics, and the underlying causes of poverty and hunger. He received the Nobel Prize for his work in mathematical economics in 1998. The government of India awarded him with the highest civilian award, the Bharat Ratna in 1999. Among academics Sen’s reputation is almost unrivalled. He has served as a full-time or visiting professor at a dozen of the world’s most prestigious universities.