Audrey Hepburn (May 4, 1929 - January 20, 1993) was a British actress and humanitarian. Recognised as a film and fashion icon, Hepburn was active during Hollywood's Golden Age. She was ranked by the American Film Institute as the third greatest female screen legend in the history of American cinema and has been placed in the International Best Dressed List Hall of Fame. She is also regarded by some to be the most naturally beautiful woman of all time. She remains one of few people who have won Academy, Emmy, Grammy, and Tony Awards. to UNICEF. Although contributing to the organization since 1954, she worked in some of the most profoundly disadvantaged communities of Africa, South America and Asia between 1988 and 1992. She was awarded the Presidential Medal of Freedom in recognition of her work as a UNICEF Goodwill Ambassador in 1992. A month later, Hepburn died of appendiceal cancer at her home in Switzerland at the age of 63.