Dean Kamen may be best known to the general public as the inventor of the Segway , and they may not see that invention as the world changer it was cracked up to be. But some of his earlier inventions were absulute life changers for many people, especially the iBOT --an all terrain electric wheelchair--and the AutoSyringe --an infusion pump that allowed people who need regular injections of medicine such as insulin to live much more complete lives (rather than be thethered to hospitals or medical clinics). An inventor since his teenage years, Kamen knows that the creative process is rarely consistent or predictable. And it is never smooth. In this video, he speaks about the "non-linear" nature of creation, and how the entrepreneurial spirit needs to be persistent, and to be prepared for many small failures on the road to success: