John F. Kennedy Jr. assassinated in 1968, his mother took him and his sister out of the United States, saying: "If they're killing Kennedys, then my children are targets ... I want to get out of this country." The same year, she married Greek shipping tycoon Aristotle Onassis, and the family went to live on his private island of Skorpios. Kennedy is said to have considered his stepfather "a joke". In 1971, Kennedy returned to the White House with his mother and sister for the first time since the assassination. President Richard Nixon's daughters gave Kennedy a tour that included his old bedroom, and
Aristotle Onassis section. During 1974, the last year of Onassis' involvement with the company, Olympic Airways transported 2.5 million passengers and had a work force of 7,356 persons. At the time, his ownership of Olympic Airways distinguished Onassis as one of only two men in the world to own a private airline, the other being Howard Hughes of TWA. Onassis was involved in the privatization of the Greek national airline and founded the privatized Olympic Airways (today Olympic Air) in 1957. Stocks accounted for one-third of his capital, held in oil companies in the USA, the Middle East, and Venezuela. He also