If the fantasy genre has its roots in fairy tales and mythology, science fiction birthed from the horror genre in a kind of mutated mitosis. That relationship is on prominent display in HG Wells' The Island of Doctor Moreau.
The Young HG Wells Review
No, I think that one need not like an author or their views in order to like their books, which is a good thing, because after reading Tomalin's biography of HG Wells, he's definitely not my favorite person.
IGC Publishing 