John Maynard Smith has said "A man called Olaf Stapledon was a marvellous predictor who wrote science fiction books that I read when I was 16 and that completely blew my mind; and Arthur C. Clarke put his finger on quite a number of bright thoughts. He and I have something in common: we both took out of the public library the same science fiction book when we were boys of about 15 or 16, which was Stapledon's "Last and First Men". We took it out of the same country library in Porlock in Somerset. Whoever put that book on the shelves had a lot to answer for!"