long before most of the technologies necessary to build it were even invented. That design was the Dynabook, and its author was computer scientist Alan Kay. Its intended audience was children.

Slide Show: Alan Kay "There's an analogy to the big change ... but the man who famously remarked that "the best way to predict the future is to invent it" can't imagine he'll ever really retire ...

Alan Kay was the first winner of "Alone," History's hit survival TV show. He was 40 years old at the time and managed to ...