"In 2006, the Wall Street pioneer and philanthropist Ray Chambers flicked through some holiday snapshots taken by his friend, development economist Jeff Sachs, and remarked on the placid beauty of a group of sleeping Malawian children. They're not sleeping, Sachs told him. They're in malarial comas. A few days later, they were all dead. Chambers had long avoided the public eye, but this moment sparked his determination to coordinate an unprecedented, worldwide effort to eradicate a disease that has haunted humanity since before the advent of medicine"--Provided by publisher.