From Wikipedia:

Jean-Michel Basquiat (French: [ʒɑ̃ miʃɛl baskija]; December 22, 1960 – August 12, 1988) was an influential American artist of Haitian and Puerto Rican descent. Basquiat first achieved fame as part of SAMO, an informal graffiti duo who wrote enigmatic epigrams in the cultural hotbed of the Lower East Side of Manhattan during the late 1970s, where hip hop, punk, and street art cultures coalesced. By the 1980s, his neo-expressionist paintings were being exhibited in galleries and museums internationally.