Rabbi Lord Jonathan Sacks is one of Judaism's spiritual leaders, and he exercises a primary influence on the thought and philosophy of Jews and people of all faiths worldwide. He is an award-winning author whose latest bestselling book is "Morality: Restoring the Common Good in Divided Times."
The founder of the MIT Media Lab, Nicholas Negroponte pushed the edge of the information revolution as an inventor, thinker and angel investor. He's the driving force behind One Laptop per Child, building computers for children in the developing world.
General Stanley McChrystal is the former commander of U.S. and International forces in Afghanistan. A four-star general, he is credited for creating a revolution in warfare that fuses intelligence and operations.
As a child growing up in North Korea, Hyeonseo Lee thoght her country was the "best on the planet." It wasn't until the famine of the 90s that she began to wonder. She escaped the country at 17-years-old to begin a life in hiding as a refugee in China. Hers is a harrowing, personal tale of survival and hope -- and a powerful reminder of those who face constant danger, even when the border is far behind.