Family-based online service WOW! from CompuServe, Columbus, Ohio, named Tim M. Nix editor in chief. Mr. Nix will continue in his role as director-creative services at the two-month-old service while also overseeing editorial duties at the family-based online service. Mr. Nix worked for 20 years in publishing before joining CompuServe. He succeeds Howard Blumenthal, who left after only a few months with WOW!.