Maria Callas and Artemis Onassis Riding on Yacht

(Original Caption) Leaning on the rail of the yacht, Christina, (L-R), is opera star Maria Callas, and a woman believed to be Artemis Onassis, sister of Aristotle, along with Aristotle Onassis, the millionaire Greek shipping magnate. During the day, Onassis left his wife Tina, for whom his yacht is named, in Paris. Onassis and Miss Callas, who has announced the breakup of her marriage to 62 year old Giovanni Battista Meneghini, were headed for Greece, Port Authorities said.