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
Clement Clarke Moore have written the poem while visiting his cousin, Mary McVicker, at Constable Hall, in what is now known as Constableville, New York. Scholars have debated whether Moore was the author of this poem. Professor Donald Foster used textual content analysis and external evidence to argue that Moore could not have been the author. Foster believes that Major Henry Livingston, Jr., a New Yorker with Dutch and Scottish roots, should be considered the chief candidate for authorship. This view was long espoused by the Livingston family. Livingston was distantly related to Moore's wife. Foster's claim, however, has been countered by document