barretter, yes, I agree that the author is not British. If you start with the first letter of 49, his first name can be traced in a meandering sequence. It's either a coincidence or perhaps the remnant of an earlier grid.
I discovered an error in one of my entries, which prevented the emergence of the thematically modified name. I see it now.
Anyone looking for final confirmation of the work will find the rest of the title in the preamble. It's the only thing that really confirms the work. Apologies if this has already been noted.