Lawrence Krisna Parker (born August 20, 1965), better known by his stage name KRS-One, is an American Grammy-nominated rapper. Over his career, he has been known by several pseudonyms including "Kris Parker", "The Blastmaster", "The Teacha", and "The Philosopher". KRS-One is a significant figure in the hip hop community and is often credited by critics and other hip hop artists as epitomizing the "essence" of an MC and for being one of the greatest rappers to hold the mic.   Wikipedia