To support Kelvin and young innovators like him, please visit http://www.crowdrise.com/InnovateSalone 15-Year-Old Kelvin Doe is an engineering whiz living in Sierra Leone who scours the trash bins for spare parts, which he uses to build batteries, generators and transmitters. Completely self-taught, Kelvin has created his own radio station where he broadcasts news and plays music under the moniker, DJ Focus. Kelvin became the youngest person in history to be invited to the "Visiting Pract