Aristotle Onassis, Greek shipping magnate (died 1975)

Aristotle Socrates Onassis was a Greek and Argentine business magnate. He amassed the world's largest privately owned shipping fleet and was one of the world's richest and most famous men. He was married to Athina Mary Livanos, had a long-standing affair with opera singer Maria Callas and was married to American former First Lady Jacqueline Kennedy.

January 20 is the 20th day of the year in the Gregorian calendar; 345 days remain until the end of the year.