Graham Nash

I realized at one point that David and I had not made a record together in almost 26 years and I thought that that was absurd because, first of all it had gone so fast, I didn't really realize, neither did David, that it had been that long.

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.