Robert Fischell invented the rechargeable pacemaker, the implantable insulin pump, and devices that warn of epileptic seizures and heart attacks. Yet it's not just his inventive genius that makes him fascinating, but his determination to make the world a better place.
Jay Walker is fascinated by intellectual property in all its forms. His firm, Walker Digital, created Priceline and many other businesses that reframe old problems with new IT. In his private life, he's a bibliophile and collector on an epic scale.
Stephen Lawler and the Virtual Earth team have created an addictively interactive 3D world that is poised to reinvent our view of advertising, gaming, weather/traffic reporting, instant messaging and more.
Astrophysicist, cosmologist and Nobel Prize winner George Smoot studies the cosmic microwave background radiation -- the afterglow of the Big Bang. His pioneering research into deep space and time is uncovering the structure of the universe itself.