Retcon article(covers information that was retroactively changed)
Tom Baker was a Human who was kin to descendants of Clare Raymond.
Tom Baker's name was read out on a computer display of the Raymond family's genealogy, along with others such as Colin Baker, Peter Davidson, William Hartnell, Jon Pertwee, and Patrick Troughton. (TNG: "The Neutral Zone", okudagram)
This character was only mentioned in writing.
Tom Baker is a reference to British actor Tom Baker
who played the fourth incarnation of "The Doctor" in the long-running British science fiction series Doctor Who.