That was exactly my origin story too. I'm now a physics professor at a world leading University in no small part because of him.
I want to write something to the family. No idea if there's going to be a tribute book anywhere but I would love to contribute if so. I wrote in Hawking's at Gonville and Caius...
-- I can't find any text there that isn't a button! (Posting from Summit. I prefer voyager. Yet to try Blorp)