"I don't have a style, but the books do. Each demands its own method of presentation, and I like that. My theory about why Hemingway killed himself is that he heard his own voice; that he reached the point where he couldn't write without feeling he was repeating himself. That's the worst thing that can happen to a writer. A new reader shouldn't be able to find you in your work, though someone who's read more may begin to."
I'll be touching on this point in a few days, in a discussion with Vanessa Gebbie, who has edited a new collection of writing craft articles, called Short Circuit. I think Doctorow is correct at the end and incorrect at the start of this quote. I think all writers do (or should) have a style of some description, however hidden that may be. I don't just mean extremes like Cormac McCarthy, whose style is unmistakable, but anyone who wishes to be a writer has something that motivates them, some territory they wish to explore, and I think that can be seen as a thread running through their work. Doctorow is right, though, that it shouldn't be too obvious. If a writer can be too easily parodied there may be something wrong.
I think Doctorow may be correct about Hemingway, too.