There's a little bit on him in the Silverstone Museum, just a couple of paragraphs and a reproduction of a photo. The original photo had obviously been touched up, possibly because he was too masculine looking?
This quote from his daughter in the article up thread is so sad
All my life, until now, I have felt like a hurt and abandoned child.
She was a hurt and abandoned child. I'm glad being involved in the documentary gave her some comfort.