Igor Cassini (Sevastopol, Russia, September 15,1915-New York City, New York, January 5,2002) was an American syndicated gossip columnist for the Hearst newspaper chain.
Igor Cassini (born in Sevastopol, Russian Empire on 15 September, 1915-died January 5,2002) was best known by his pen-name Cholly Knickerbocker. He had a long career as a syndicated gossip columnist for the Hearst newspaper chain.