Who was credited with coming up the frase rock and roll?

The phrase "rock and roll" is often attributed to Alan Freed, a disc jockey from Cleveland, Ohio. Freed began using the term in the early 1950s to describe the music he played on his radio show, which featured a mix of R&B, blues, and country music. The phrase quickly caught on and became widely used to describe the new genre of music that was emerging at the time.