Rachel Cooper
In an alternative timeline , Rachel Cooper was the companion of the Seventh Doctor in 2044 . She met Elizabeth Klein in Hangar 14 of the Reich's moonbase . Her Doctor got her into the base as a technician. She killed a Selachian to get its transmat equipment to save Sam Kirke and herself. (AUDIO : The Architects of History )
Companions of the Seventh Doctor Original to television Original to prose
Multi-story Multi-adventure Narratively ambiguous
Original to comics Original to audio
Multi-story Multi-adventure
Rachel Cooper
Single-adventure
If a medium is not mentioned, then this incarnation did not have companions who were original to that medium; it does not mean that this Doctor failed to appear in that medium.