see more

Greek-American soprano Maria Callas (1923 - 1977) with her husband Giovanni Battista Meneghini in Portofino, Italy, during a cruise party with Sir Winston Churchill on a luxury yacht belonging to Aristotle Onassis, 25th July 1959. (Photo by Keystone/Hulton Archive/Getty Images)

Greek-American soprano Maria Callas (1923 - 1977) with her husband Giovanni Battista Meneghini in Portofino, Italy, during a cruise party with Sir Winston Churchill on a luxury yacht belonging to Aristotle Onassis, 25th July 1959. (Photo by Keystone/Hulton Archive/Getty Images)