Robert Guralnick is an American author and music historian, best known for his extensive work on the history of American music. He gained prominence for his biographies of influential musicians, including Elvis Presley and Sam Cooke. His writing often explores the cultural and social contexts surrounding these artists, providing readers with a deeper understanding of their impact on music and society. Guralnick's books, such as Last Train to Memphis and Dream Boogie, have received critical acclaim and have contributed significantly to the field of music literature. His meticulous research and engaging storytelling have made him a respected figure among music enthusiasts and scholars alike.