Donald Newhouse, the billionaire newspaper publisher who helped oversee one of America’s most powerful media empires and whose family name remains synonymous with Condé Nast, has died at 96. Newhouse died Tuesday at his home in Lambertville, New Jersey, from lymphoma, according to the New York Times. He and his older brother, Samuel Irving Newhouse Jr., better known as Si, inherited a vast media conglomerate from their father and spent decades shaping American media landscape.  Related Articles While Si Newhouse became closely associated with Condé Nast and titles including Vanity Fair, Vogue, The New Yorker, and Architectural Digest, Donald largely focused on the company’s newspaper business via Advance Publications. He spent years running The Star-Ledger in Newark and helped expand Advance Publications’ newspaper holdings across the country through regional newspapers including Cleveland’s The Plain Dealer, The Times-Picayune of New Orleans, and Portland’s The Oregonian. The brothers were known for maintaining a close relationship despite overseeing different corners of the empire, and frequently traded business notes over dinners at Sette Mezzo on Manhattan’s Upper East Side.  Donald Newhouse’s death comes just days after Christie’s marquee evening …