Sam Phillips was an influential American record producer who played a significant role in the development of rock and roll during the 1950s. His unique style was marked by a raw, unpolished sound that highlighted the emotional intensity of the music. Phillips is best known as the founder of Sun Records, where he discovered and launched the careers of numerous iconic musicians, including Elvis Presley, Johnny Cash, and Jerry Lee Lewis. His pioneering work in the music industry significantly shaped the trajectory of popular music, earning him the nickname "the man who invented rock n' roll".