Donald Wayne Foster raised arguments challenging whether the person traditionally identified as the author of a text was correct. He has pointed to an obscure Beat writer, Tom Hawkins, as the author of the Wanda Tinasky letters, which some had previously speculated to be the work of Thomas Pynchon. Foster also joined a long-running effort by descendants of Henry Livingston Jr. to show that their ancestor, and not Clement Clarke Moore, wrote the famous poem "A Visit from St. Nicholas". Foster provided his account of sleuthing out these and other identifications in his book "Author Unknown" (including the Shakespeare-"Elegy" connection, which he still
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,