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 "breast" in "The moon on the breast of the new-fallen snow" is frequently bowdlerized to "crest"; the archaic "ere" in "But I heard him exclaim ere he drove out of sight" is frequently replaced with "as". This change implies that Santa Claus made his exclamation during the moment that he disappeared from view, while the exclamation came before his disappearance in the original. "Happy Christmas to all, and to all a good-night" is frequently rendered with the traditional English locution "Merry Christmas". The poem has been set to music by composer Ken Darby (1909 – 1992), and by British child