They are inventors and discoverers and entrepreneurs. They are chemists and biologists and software engineers and chip designers. They create their wonders in universities, startups, and large corporations. They gravitate to the most interesting and difficult scientific and engineering problems at hand, and arrive at solutions no one had imagined. They take on big issues. They are the TR35--Technology Review's selection of the top technology innovators under age 35 (as of October 1, 2005). The winners from previous years (when it was the TR100) have changed your world. So will the people you're about to meet.