TEDGlobal 2007
June 2007|

How I built a windmill

William Kamkwamba
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About the speaker

William Kamkwamba
William Kamkwamba
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To power his family's home, young William Kamkwamba built an electricity-producing windmill from spare parts and scrap -- starting him on a journey detailed in the book and film "The Boy Who Harnessed the Wind."