Science fiction writers, I am sorry to say, really do not know anything. We can't talk about science, because our knowledge of it is limited and unofficial, and usually our fiction is dreadful. ↗
I think Douglas was a real one-off. He was so clever and so intelligent and so well read in real science that he could make science fiction work as well as it did. And just such fun to have around, he was just such a lovely man. ↗
One of the reasons I did this, because I wasn't really looking for another science fiction film, was that my daughter can see it. She's 9 and it's really a good film for all ages. ↗
When I started in the business, there was a thing called adult fantasy, but nobody quite knew what it was, and most publishers didn't have an adult fantasy list. They had science fiction lists, which they stuck a little bit of fantasy into. ↗