Tracy Kidder

Paul Farmer has helped to build amazing health care system in one of the poorest areas of Haiti. He founded Partners in Health, which serves the destitute and the sick in many parts of the world from Haiti to Boston and from Russia to Peru.

The majority of small-holder farmers in Africa are women and, in urban areas, you're primarily looking at women-led households. So we can't solve hunger if we don't have gender-sensitive programming that addresses access to opportunities for women, whether it's through education or tools for cooking, like solar-powered stoves.