Oliver Harper
Oliver Harper was a city trader in 1966 . He travelled with the First Doctor and Steven Taylor . (CC : The Perpetual Bond
He was killed by the Vardans but remained as a ghost in the TARDIS . As a ghost, he witnessed the Doctor's regeneration into his second incarnation . (CC : The First Wave )
Companions of the First Doctor Original to television
Multi-adventure Narratively ambiguous
Original to prose
Multi-adventure Single-adventure Narratively ambiguous
Original to comics Original to audio
Oliver Harper
Original to video games 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.
