I think biography can be more personal than fiction, and certainly can be more expressive.
Peter AckroydWhen I was growing up, the exam system didn't allow you to write fiction, so you never did.
Roddy DoylePoirot is a classic character from fiction, not a MacBook Air; he would not benefit from updates.
Sophie HannahI've written fiction for as long as I can remember; it's always been my preferred form of play.
Taiye Selasi