She's Gone

At 104, Olivia de Havilland was the last of the 1930's technicolor actresses. Beautiful and tough as nails, she and Bette Davis made Jack Warner's life hell. In 1943, De Havilland sued and won to smash her contract with Warner Brothers. It is called De Havilland Law.
She is also remembered for her fierce feud with actress/sister Joan Fontaine. They never reconciled and were bitter rivals to the end.