Grandmaster Flash, born Joseph Saddler on January 1, 1958, is a pioneering American hip-hop DJ and record producer. Widely regarded as one of the founding figures of hip-hop, Grandmaster Flash played a crucial role in the development of the genre. He is credited with introducing innovative DJ techniques, including cutting, scratching, and backspinning, which significantly influenced the art of turntablism. Grandmaster Flash and the Furious Five, a group he co-founded, released notable tracks such as “The Message,” which addressed social issues, and “White Lines (Don’t Do It).” Inducted into the Rock and Roll Hall of Fame in 2007, Grandmaster Flash continues to be recognized for his groundbreaking contributions to hip-hop culture.