As the CGIAR, formerly the Consultative Group on International Agricultural Research, marked its 40th anniversary in 2011, much attention was paid to the profound benefits its collaborative research generated for millions of poor people in developing countries over the past 4 decades. Behind these well-documented scientific achievements lies another, little-known story of the CGIAR’s institutional evolution. This book chronicles that history in the hope that lessons can be drawn from that experience, just as important lessons have been drawn from its accomplishments on the ground