Jacqueline Kennedy Onassis has always been associated with her first husband, JFK, and her second, Aristotle Onassis. However, the former First Lady had other partners that weren't as well known ...

Aristotle Onassis and Maria Callas 'couldn't live without the other one,' his longtime personal secretary Kiki Feroudi Moutsatsos tells PEOPLE. And Onassis' wife, Jackie Kennedy, knew about the ...

Aristotle Onassis had a longtime affair with opera singer Maria Callas that lasted until his death in 1975 at age 69. Callas is the subject of a biopic starring Angelina Jolie.

A Greek Cypriot purchased the legendary Aristotle Onassis aircrafts of Olympic Airways before they were destined for the ...

Aristotle Onassis and Maria Callas 'never stopped seeing each other,' even after his marriage to Jacqueline Kennedy, his longtime personal secretary Kiki Feroudi Moutsatsos tells PEOPLE.

1957: Maria Callas and Aristotle Onassis meet at a party thrown by Elsa Maxwell. In Venice, Italy during summer 1957, famed gossip columnist Elsa Maxwell introduced Callas and Onassis.

The Manhattan hotel at which I’m interviewing Wes Anderson has striking views of Central Park out of its windows. Looming a ...

The former first lady allegedly had concerns about her husband's rumored affair with Marilyn Monroe, and she even confronted ...

Onassis, a giant Amazon river turtle, has lived at the zoo since Valentine's Day 1969. She was named after shipping magnate Aristotle Onassis, who had married Jackie Kennedy a few months prior.

Aristotle Onassis proposed with a 40-carat marquise diamond. In October 1968, the ‘Jackie O’ era officially began when Kennedy said ‘I do’ to her long-time friend, Aristotle Onassis .