There are not many superstar agent-managers around but Jack Rollins, who just died at the age of 100, was one of 'em. His list of clients included, first and foremost, Woody Allen and also had on it at various times David Letterman, Dick Cavett, Harry Belafonte, Robin Williams, Lenny Bruce, Mike Nichols and Elaine May, Billy Crystal and lots of other folks you've heard of. He and his partner Charles H. Joffe shaped most of those careers and served as executive producers of many of their clients' TV shows and movies. Read all about him here.