Bill Medley

The reason I still love performing is that people my age, a little younger and a little older, show up to relive that thing that made them so happy all those years ago. And as long as they show up, I'll keep on keepin' on till I keel over.

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.