Kevin Crossley-Holland

There are Arthurian legends in 14 or 15 medieval European languages. They are the product of no one time or place. On the contrary, in sum they represent a tremendous mine of human understanding, rather as the Bible does.

When I was a boy, I took over the shed at the bottom of the garden and displayed fossils and potsherds and coins in it and proudly called it my 'museum'. I charged people to come in, and my most prized possession was a Saracen shield dating from the Crusades.

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.