There was a FReeper called “Buckhead” who exposed the whole Rather-Gate scam when he found the typeface discrepancy.
http://en.wikipedia.org/wiki/Killian_documents_controversy#Internet_skepticism_spreads
Ah - thanks for the clarification. From the link you posted: “The initial analysis appeared in posts by “Buckhead,” a username of Harry W. MacDougald, an Atlanta attorney” - so maybe I was at least on the right track. :-}