When the eleventh doctor was about to die he went past the limit of regenerations. What if William Hartnell did the same and just forgot, which is a common side effect of regenerating. So when Tom Baker had a mind battle maybe he was just remembering what had been forgotten. But there are also several pages where the doctor talks about himself as the first. So nobody truly knows.
William Hartnell was the first Doctor Who.
The first doctor - was William Hartnell, who played the roll from 1963 to 1966.
William Hartnell
William Hartnell was the first actor to play Dr Who in 1963.
William Hartnell was the 1st doctor from 1963 - 1966
There is no definitive information about William Hartnell's favorite episode of Doctor Who. However, it is documented that he was proud of the show and his contribution to it during his time as the First Doctor.
William Hartnell was the first doctor in November 1963. The First episode was The Unearthly Child
William Hartnell played the First Doctor from 1963 until 1966 (3 years)
The first person to play the role of the Doctor in Doctor Who was William Hartnell.
The Unearthly Child
William Hartnell (1963-1966)
William Hartnell