Detailed history of the first companion "Susan"

[Astro Pen]

Brilliant video. Very well made.
Interesting info Surprises like that supposed schoolgirl Susan was in reality already married with kids.

 

[Margaret Note Spelling]

I assume you mean the actress, right? Not the character?

 

[Astro Pen]

Unless Hartnell did a bit of extracurricular time travelling, yes