Alexander Onassis of the United States Central Intelligence Agency (CIA) and the leader of the Greek military junta, Georgios Papadopoulos. Onassis's death had a profound effect on his father, who never fully recovered from the loss of his son. Aristotle Onassis sought to sell Olympic Airways after his son's death, and died two years later in March 1975. Onassis was buried alongside his son on Skorpios. Aristotle Onassis's will established a charitable foundation in memory of his son, the Alexander S. Onassis Public Benefit Foundation, based in the tax haven of Vaduz in Liechtenstein, and headquartered in Athens. The foundation received 45%
Maria Callas Italy. The renunciation also helped her finances, as she no longer had to pay U.S. taxes on her income. The relationship ended two years later in 1968, when Onassis left Callas in favor of Jacqueline Kennedy. However, the Onassis family's private secretary, Kiki, writes in her memoir that even while Aristotle was with Jackie, he frequently met with Maria in Paris, where they resumed what had now become a clandestine affair. Callas spent her last years living largely in isolation in Paris and died of a heart attack at age 53 on September 16, 1977. Heart failure is a possible