An autobiography is a anecdote (story of someones life) written by that person;. A biography is a story about a person written by someone else;.
an autobiography is a biography only the person who it is about wrote it them self. like how Jane Austin wrote a book about her and her life. that would be an autobiography.
A biography is written by somebody about somebody else and an autobiography is someone writing about themselves.
You could go to wikipedia.org and look him up
the life of Leonardo sarao