MacDonald P. Jackson the New Zealand Academy of the Humanities (FNZAH). In 2009 he was appointed a Fellow of the Royal Society of New Zealand (FRSNZ). Jackson's most recent work was a year long examination of the disputed authorship of the classic poem "The Night Before Christmas", also called "A Visit from St. Nicholas." Jackson applied modern computational stylistics techniques to the corpora of verse left by both claimants, Clement Clarke Moore and Henry Livingston Jr., including a new test, statistical analysis of phonemes. His book, "Who Wrote" ""The Night Before Christmas"?" identifies the true author and makes a significant contribution to the
A Visit from St. Nicholas many letters signed by Moore, and found that the "signature" was not penned by Moore, and thus provides no evidence that Moore made any plagiaristic claim. Kaller's findings were confirmed by autograph expert James Lowe, by Dr. Joe Nickell, the author of "Pen, Ink & Evidence," and by others. According to Kaller, Moore's name was likely written on the book by a New-York Historical Society cataloger to indicate that it had been a gift from Moore to the Society. The following points have been advanced in order to credit the poem to Major Henry Livingston Jr.: Livingston also wrote poetry