Aristotle Onassis and his yacht "Christina O". Onassis died at age 69 on 15 March 1975 at the American Hospital of Paris in Neuilly-sur-Seine, France, of respiratory failure, a complication of the myasthenia gravis from which he had been suffering during the last years of his life. Onassis was buried on his island of Skorpios in Greece, alongside his son, Alexander. Onassis' will established a charitable foundation in memory of his son, named the Alexander S. Onassis Public Benefit Foundation, based in the tax haven of Vaduz in Liechtenstein, and headquartered in Athens. The foundation received 45% of Onassis' estate, which would
Aristotle Onassis and accounts in treasuries in 217 banks in the whole world. In October 1968, amidst the Greek military junta and shortly after his marriage to Jacqueline Kennedy, Onassis announced the launch of Project Omega, a $400 million investment program that aimed to build considerable industrial infrastructure in Greece including an oil refinery and aluminum smelter. Onassis had cultivated the Prime Minister of Greece, Colonel Georgios Papadopoulos, for his assistance with the scheme, loaning Papadopoulos the use of his villa and buying dresses for his wife. The project was financially supported by the American bank First National City, and Onassis' American