I need to set the stage for this article first…
I go back a long ways. I remember the “paperback revolution” when I was a child because I could finally talk my mother into buying almost as many books as I wanted. Ace Doubles were just coming out, and I read more science fiction than anything else in my book-heavy childhood. I never went to school with fewer than 3 paperbacks, in case I ran out during the day. All this to say that I know my classic science fiction well.
Fantasy during that period, on the other hand, was largely a wasteland of Victorian juvenilia and the occasional odd foray by a literary sort (think: James Branch Cabell) or a conventional science fiction author — until high school, that is, when at last the authorized paperback editions of J. R. R. Tolkien's The Lord of the Rings and The Hobbit became readily available in America. I bought them all immediately and devoured them, and they changed my life in unexpected ways.