William Kamkwamba: How I built my family a windmill (2007 Tedtalk)

When he was just 14 years old, Malawian inventor William Kamkwamba built his family an electricity-generating windmill from spare parts, working from rough plans he found in a library book. In conversation with TED Curator Chris Anderson, Kamkwamba, now 19, tells a moving story of ingenuity and adaptation, and shares his dreams for the future. This talk inspired outpourings of support from the TED community and in the blogosphere.