Well...I think I'll have to think of the picture when mentioning
Legate...nice find
Bęthberry
As for the thread title...I doubt this is a "power" of Tolkien.
I mean, I don't think I only speak for myself when I say that his books aren't the only ones that generate such reactions...it's books in general, or at least some of them.
Back to the image...what better avatar to go with the image then