Jason William Mizell (January 21, 1965 – October 30, 2002), better known by his stage name
Jam Master Jay, was an
American musician and DJ. He was the DJ of the influential
hip hop group
Run–D.M.C. During the 1980s, Run-D.M.C. became one of the biggest hip-hop groups and are credited with breaking hip-hop into mainstream music.