Ghost in the Machine: The original idea for this story was to have John be the crazy old mountain guy. One of the ideas that I'd had for a while was the team, or just John and Rodney, meeting a grizzled mountain man who turns out to be an AU or time-traveling alternate version of John. But when I started writing it and developing the plot, it worked much, much better to have the old guy be Rodney (though, as I wrote it, I kept thinking that John's identity would have been much easier to hide, because his speech patterns are not as distinctive).
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Ghost in the Machine:
The original idea for this story was to have John be the crazy old mountain guy. One of the ideas that I'd had for a while was the team, or just John and Rodney, meeting a grizzled mountain man who turns out to be an AU or time-traveling alternate version of John. But when I started writing it and developing the plot, it worked much, much better to have the old guy be Rodney (though, as I wrote it, I kept thinking that John's identity would have been much easier to hide, because his speech patterns are not as distinctive).