J. J. Abrams

When I was a kid, among the other embarrassing things I would do, and there's a list of stupid things, but I would make these dumb comedy tapes. I would often make prank phone calls, but I would also do it with friends.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.