With an "a" - author of Gray's Anatomy, which was first published 150 years ago this year. I have it in mind to try editing Wikipedia by editing his entry , but perhaps someone else will beat me to it. At least it doesn't say "St. George's Hospital, France" any more!
The BBC "One Show" on Wednesday night had a good piece on him, including a visit to the Royal College of Surgeons (of England - the bit the English media always miss out*), which is mounting an exhibition about the book, and which has some of the original illustrations. The illustrations were done not by Gray, but by Henry Van Dyke Carter.
More on this later, perhaps!
* Spot the person who has worked in Scotland, which has its own Royal College of Surgeons (of Edinburgh)....