^
Good guess!
I'd guess....morbid autograph collection.
Look at those people who got a hold of John's address. ....
Maybe signatures on a death certificate print out. ....then hours later. .UP ON EBAY!
***ALL BAD HUMOR ASIDE :
What's the reason for the question? Could be a potentially interesting thread.
What is the equivalent of HIPAA law privacy and retention overseas in the UK?
If you were looking for research that is....
Also, Dr Graeme Moyle was used for the Who Wants to Live Forever documentary instead of Gordon, that could be because Graeme is a HIV specialist or maybe Gordon's dead or uninterested.