Tweedledum and Tweedledee enantiomorphs — three-dimensional mirror images. Evidence for these assumptions cannot be found in any of Lewis Carroll's writings. Tweedledum and Tweedledee Tweedledum and Tweedledee are fictional characters in an English nursery rhyme and in Lewis Carroll's "Through the Looking-Glass, and What Alice Found There". Their names may have originally come from an epigram written by poet John Byrom. The nursery rhyme has a Roud Folk Song Index number of 19800. The names have since become synonymous in western popular culture slang for any two people who look and act in identical ways, generally in a derogatory context. Common versions of
The Man Who Wrote Frankenstein public, and for unknown reasons decided to attribute authorship to Mary Shelley, thus helping to begin a "hoax" that has persisted up to the present. Lauritsen maintains that revisions to "Frankenstein" made in 1823 and 1831 weakened the work, and that while it was ostensibly Mary Shelley who revised "Frankenstein" into its 1831 form, it may primarily have been revised by the political philosopher William Godwin. Lauritsen argues that handwriting alone cannot be used to determine the actual author of "Frankenstein". The drafts and manuscripts are incomplete and in the final stages. Moreover, portions of the novel were dictated by