(covers information from several alternate timelines)
A biography was the written form of a person's life story. If the person writes it him or herself, it is called an autobiography.
When Jack London conferred with Samuel Clemens about being literary partners in writing his life story in 1893, Clemens shared with London, "Young man, I have a maxim that I have always lived by. 'No one is more qualified to write your story than you are.'" (TNG: "Time's Arrow, Part II")
In 2152, a biography was being prepared on Henry Archer. His son, Captain Jonathan Archer was asked to write a short preface. He had some difficulty putting his thoughts into words, which was aggravated by a singularity's radiation. (ENT: "Singularity")