Kurzwell

Why you should listen to him:

Inventor, entrepreneur, visionary, Ray Kurzweil's accomplishments read as a startling series of firsts -- a litany of technological breakthroughs we've come to take for granted. Kurzweil invented the first optical character recognition (OCR) software for transforming the written word into data, the first print-to-speech software for the blind, the first text-to-speech synthesizer, and many electronic instruments.

Yet his impact as a futurist and philosopher is no less significant. In his best-selling books, which include The Age of Spiritual Machines and The Singularity Is Near: When Humans Transcend Biology (which is set to become a movie in 2008), Kurzweil depicts in detail a portrait of the human condition over the next few decades, as accelerating technologies forever blur the line between human and machine.

In 2009, he unveiled Singularity University, an institution that aims to "assemble, educate and inspire leaders who strive to understand and facilitate the development of exponentially advancing technologies."

"Kurzweil's eclectic career and propensity for combining science with practical -- often humanitarian -- applications have inspired comparisons with Thomas Edison."

Time