The Vampyre is a short story by John William Polidori. It is based on a fragment written by Lord Byron in 1816 during a gathering of author friends who, trapped inside due to bad weather, decided to write ghost stories. At the request of a friend, Polidori wrote a complete story from the premise outlined in Byron's fragment. Without either author's prior knowledge, the story was published in the April 1819 issue of New Monthly Magazine as "The Vampyre: A Tale by Lord Byron"; despite immediate protests from both Byron and Polidori, the attribution stuck, for a well-known author such as Byron...

Excerpt from The Diary of Dr. John William Polidori, 1816: Relating to Byron, Shelley, Etc

One of these writings is the text to a volume, published in 1821, entitled Sketches Illustrative of tile Manners and Costumes of France, Switzerland, ana7 Italy, by R. Bridgens. The name of Polidori is not indeed recorded in this book, but I know as a certainty that he was the writer. One of the designs in the volume shows the costume of women at Lerici just about the time when Shelley was staying there, in the closing months of his life, and a noticeable costume it was. Polidori himself - though I...