Clones, artificial brains and wax statues, or about fantasize and theorize in literature and science with Gustav Meyrink in the background Meyrink This article asks about the similarity between process of writing in fantasy (here: science fiction) literature and inventing physical theories. The main meaning in both of them has the imagination of the author or scientist. Many examples show, that an author supported by physical knowledge or inspired by new technical ideas, writes text, that becomes a part of fantasy literature. The main question in this article is, if this text can loose his fiction element in the future? The possibility to answer this question give us time perspective, that we have in reading G. Meyrinks books after 100 year...