The Enigma of Chinese Medicine

>Even a person as well versed in induction and deduction as Arthur Conan Doyle believed that the death of Lord Carnarvon, the patron of the Tutankhamen expedition, may have been caused by a pharaoh’s curse.

I'm not sure he's the best example of a skeptic, given his belief in the Cottingley Fairies (http://en.wikipedia.org/wiki/Cottingley_Fairies)