Xerxes. Lee Sallows At 11:42 PM 3/23/2008 -0400, you wrote:

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From NPR's puzzle of the week:

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From listener Dan Asimov of Vancouver Island, British Columbia. Name a well known historical figure with a one-word six-letter name. The first and fourth letters are the same, the second and fifth letters are the same, and the third letter is one letter before the sixth, alphabetically. Who is it?

Victor