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 composer Alma Deutscher (b. 2005). Four hand-written copies of the poem are known to exist and three are in museums, including the New-York Historical Society library. The fourth copy, written out and signed by Clement Clarke Moore as a gift to a friend in 1860, was sold by one private collector to another in December 2006. It was purchased for $280,000 by an unnamed "chief executive officer of a media company" who resides in New York City, according to Dallas, Texas-based Heritage Auctions which brokered the private sale. Moore's connection with the poem has been questioned by Professor Donald Foster,