I think the setters name should have been an obvious enough clue. "Potter" what was I had in mind before posting but had a theme in mind that suggested things like Wedgewood etc etc. Doh!
I can read to surfaces to Hendry and Taylor now on the last pair across clues.
Lynne Truss - a writer & broadcaster, think she might have worked for the Guardian at some point wrote a book about punctuation called Eats, Shoots & Leaves" which was something of a best-seller a few years ago.
It's quite funny in parts!