“The Jet Propelled Couch” by Robert Lindner was published in two parts in Harper’s Magazine in Dec. 1954 <bit.ly/jet-prop1> and Jan. 1955 <bit.ly/jet-prop2>. It was republished, lightly revised, as the last chapter of Lindner’s The Fifty Minute Hour: a Collection of True Psychoanalytic Tales (New York: Rinehart and Co., 1955; the page citations to which these annotations refer are to the version in The Fifty Minute Hour). It is a case study of Lindner’s patient “Kirk Allen,” whose obsession with a constructed science-fiction universe was interfering with his work. Over the years, several attempts have been made to determine Kirk Allen’s real identity through the layers of misdirection that Lindner introduced to anonymize his client. The leading candidate was Paul Linebarger (better known to the world of science fiction as Cordwainer Smith); another was a physicist named John Carter. Here we present a new theory.—the eds.