Diane Duane
Diane Duane is an American science fiction writer who wrote the short story Goths and Robbers and contributed to Perfect Timing 2 & The Cat Who Walked Through Time. She is also known for her Young Wizards series and has also written novels based upon other franchises including X-Men and seaQuest DSV. In Star Trek circles she is best known for her Rhiannsu series of novels and for co-writing the story for the Star Trek: The Next Generation episode "Where No One Has Gone Before". Her scriptwriting work also includes episodes of many 1980s-era animated series.
Duane is one of a handful of writers to have written original fiction for both the Doctor Who and Star Trek franchises, and may be the only Doctor Who-franchise contributor to date to have actually been involved in the writing of a Trek TV episode.