The funny thing is, after all of this time, I STILL haven't come up with a guard that I feel like I can use for the book.
I (we?) feel your pain but it's not like he's going anywhere, so if his tale sits on the shelf a bit other relevant pieces of the puzzle might float to the surface that apply to the questions about him.
You may articulate it differently, but for the benefit of the peanut gallery never lose heart - what we collectively do here with history is akin to reassembling an eggshell from the pieces on the floor after it's fallen off the counter, 150-160 years ago.
Thus endeth my pontifications.