This is the first biography of a world-famous pioneering development economist, Sir Hans W. Singer, who is better known throughout the developing world than any other economist, living or dead. It gives a detailed account of the way in which the 'twists of fate' led him to becoming a leading development economist. It contains a thematic synthesis of all his major theoretical and conceptual work and of the many initiatives in which he has been involved to solve the problems of developing countries.