Filling the void

25 key social entrepreneurs who "solved some of world's toughest problems with creativity, ingenuity, and passion. Because they can't stand a vacuum". This list includes:

- BELL with remedial programs for low-income kids in the US, to bring down school dropout rates.

- PATH with technology transfer related to health care for the poor.

- Heifer International with microfinance without money, but with livestock.

- First Book with opening up new markets for book publishers in rural areas to create a self-sustainable educational system.

- New Community Corporation with creating employment by organizing the poor into doing jobs for low-income housing, healthcare, education, music clubs, and other businesses.

- ACCION International, one of the founders of the microfinance movement.