Related Information for Grandmaster Flash Grandmaster Flash (born Joseph Saddler on January 1, 1958 in Barbados) is a hip hop musician and DJ; one of the pioneers of hip-hop DJing, cutting, and mixing.Saddler's family migrated to the United States, and he grew up in the Bronx. He became involved in the earliest Queensbridge, New York DJ scene, attending parties set up by early luminaries. Learning from Pete Jones and Kool Herc, he used duplicate copies of a single record and two turntables but added a dextrous manual edit w.. read more