David Harsanyi

We have little choice but to place a certain level of trust in scientists - even when it comes to the model-driven speculative discipline of climate change. And, need it be said, most scientists take great care in being honest, principled and precise.

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.