Adam Yauch

Adam Nathaniel Yauch ( YOWK; August 5, 1964 – May 4, 2012), also known as MCA, was an American rapper, bassist, filmmaker, and a founding member of the hip hop group Beastie Boys. He directed many of the band's music videos and did much of their promotional photography, often using the pseudonym Nathanial Hörnblowér. Yauch founded Oscilloscope Laboratories, an independent film production and distribution company based in New York City. As a Buddhist, he was involved in the Tibetan independence movement and organized the Tibetan Freedom Concert.