What were the names of popular disc jockeys in fifties?

Alan Freed: Also known as "Moondog," Freed is credited with coining the term "rock 'n' roll" and popularizing the genre. He hosted a radio show called "The Moondog Show" in Cleveland, Ohio, where he played rhythm and blues and other music that appealed to white teenagers.

Dick Clark: Clark was the host of the popular music show "American Bandstand," which aired on ABC from 1952 to 1989. The show featured live performances from popular artists and was influential in promoting rock 'n' roll to a mainstream audience.

Wolfman Jack: Born Robert Weston Smith, Wolfman Jack was known for his raspy voice and his wild on-air persona. He hosted radio shows in several cities, including Memphis, New York City, and Los Angeles, and was a popular figure in the rock 'n' roll scene.

Murray the K: Also known as Murray Kaufman, Murray the K was a disc jockey and radio show host in New York City. He was known for his enthusiastic and over-the-top style, and he was a popular figure in the city's rock 'n' roll scene.

Jocko Henderson: Jocko Henderson was a popular disc jockey in Chicago, Illinois. He hosted a radio show called "The Jocko Show" on WLS-AM, which was one of the most popular radio stations in the city.