May 4, 2012 2:52 PM

Beastie Boys' Adam Yauch, 1964-2012

Adam Yauch, the gravelly voiced Beastie Boys rapper and the most conscientious member of the seminal hip-hop group, died Friday morning at age 47 after a nearly three-year battle with cancer. Take a look through photos of the 25-plus years of the Beastie Boys.

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