The Cablevision founder helped usher in a new era for television. He also acquired sports and entertainment properties including MSG and the New York Knicks.

Charles F. Dolan, who founded some of the most prominent U.S. media companies including Home Box Office Inc. and Cablevision Systems Corp., has died at age 98.

Charles Dolan, a cable pioneer and patriarch of the Dolan media family, died Dec. 28 of natural causes, Newsday reported. He was 98.