The True Story Behind Vampire Lore: John William Polidori's Dark Tale

TL;DR;

John William Polidori, often regarded as the inventor of the vampire ghost story, wrote about human-looking creatures with animalistic teeth in his memoir. He later penned 'The Vampyre,' which was published without his permission and attributed to Lord Byron. Polidori's life was marked by professional struggles, depression, and heavy gambling debts, leading to his suicide at the age of 25.