People: Feb. 15, 1963

As the Hearst Papers' Cholly Knickerbocker, he invented the name "jet set" and chronicled and shared in its gossipy escapades. Under his real monicker, Igor Cassini, 47, was on kissing terms with the Kennedys; his brother Oly is Jackie's favorite dress designer, and his third wife is the daughter of Oilman Charles B. Wrightsman, the Kennedys' neighbor in Palm Beach, Fla. Such weight did he swing that he was instrumental in having Diplomat Robert D. Murphy sent on a secret White House mission in 1961 to listen to the laments of the Dominican Republic's...

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