According to Wikipedia, an autobiography is an account of the life of a person, written by that person sometimes with a collaborator.
An autobiography offers the author the ability to recreate history. From this point of view, to some extent, a mathematician autobiography tell us much about the history of mathematics itself.
The question is: What are some examples of *AUTO*biography books of mathematicians ?
Interesting fact: Is there no AUTObiography of mathematicians written in the 19th century?