Albert B Grossman
Biography
Albert Grossman (May 21, 1926 – January 25, 1986) was an American entrepreneur and manager in the American folk music and rock and roll scene. He was famous as the manager of many of the most popular and successful performers of folk and folk-rock music, including Bob Dylan; Janis Joplin; Peter, Paul and Mary; the Band; Odetta; Gordon Lightfoot; and Ian & Sylvia.
Bio from Wikipedia