Redstone was formerly the executive chairman of both CBS and Viacom. Future shareholders of mass media conglomerate ViacomCBS, in turn, the parent company of the Paramount Pictures film studio, the CBS television network, and various cable networks. In February 2016, at age 92, Redstone resigned from both chairmanships following a court-ordered examination by a geriatric psychiatrist. He was ultimately succeeded by Les Moonves at CBS and Philippe Dauman at Viacom.[Redstone’s rise from Boston’s West End through Harvard Law School to the highest echelons of American business. Became a tabloid soap opera, the center of acrimonious legal battles throughout his vast holdings the changing nature of media consumption and corporate whodunit filled with surprising details, The King of Content investigates Redstone’s impact on business and popular culture, as well as the family feuds, corporate battles, and questionable alliances that go back decades once feared as the “mad genius” of media that had built one of the world’s greatest media empires through a series of audacious takeovers constructed to ensure that he always maintained control. Through exclusive interviews and hundreds of pages of legal documents, Keach Hagey reveals the story behind the rise and fall of this remarkable figure. ( )