The faith healer's name was Dr. James Rogers Newton, according to Resa Willis, _Mark and Livy: The Love Story of MT and the Woman Who Almost Tamed Him_ (New York: Atheneum, 1992), pp. 27-28. See also Willis' article about Livy in the _MT Encyclopedia_ (New York: Garland, 1993), p. 156. Unfortunately I didn't spot an article about Newton. Willis (_Mark and Livy_) cites vol. 2 of Paine's edition of _MT's Autobiography_, pp. 103-105. Incidentally, note that the "Christian Science" article in the _MT Encyclopedia_ (not penned by Willis) seems to err in stating that it was Twain's mother who was cured by Dr. Newton (p. 143). Hope this helps! Taylor Roberts