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 a result, "New Yorkers embraced Moore's child-centered version of Christmas as if they had been doing it all their lives." In "An American Anthology, 1787–1900", editor Edmund Clarence Stedman reprinted the Moore version of the poem, including the German spelling of "Donder and Blitzen" that he adopted, rather than the earlier Dutch version from 1823 "Dunder and Blixem." Both phrases translate as "Thunder and Lightning" in English, though the German word for thunder is "Donner" and the words in modern Dutch would be "Donder en Bliksem." Modern printings frequently incorporate alterations that reflect changing linguistic and cultural sensibilities. For example,