Audrey Hepburn worked in some of the poorest communities of Africa in 1955.
Audrey Hepburn ( [ ˈɔːdri_ˈhɛpˌbɜrn ] born Audrey Kathleen Ruston ; 4 May 1929 -- 20 January 1993 ) was a British actress , model , dancer and humanitarian . She had contributed to the organisation since 1954 , then worked in some of the poorest communities of Africa , South America and Asia between 1988 and 1992 .