science-fictioneer

noun2

1. •
   (slang, old-fashioned) Creator of science fiction.

   • Science-fictioneers such as Robert Sheckley, Joe Haldeman and Frederik Pohl. — 1994
2. •
   (slang, old-fashioned) Fan of science fiction.

   • We wonder how you science-fictioneers would have greeted the theorists of the year 600! — 1940