On this day in 1816, the Shelleys, Lord Byron and entourage gathered at the Villa Diodati on Lake Geneva to tell the ghost stories that would trigger Frankenstein. This most legendary of storm-tossed evenings may or may not have been a literary lightning bolt, as there are conflicting accounts of how Mary Shelley arrived at her idea, or how long she mulled it over. On the other hand, the June 19th evening and the lazy days at Byron's villa that summer inspired more than Frankenstein; and the byways of literature being what they are, the occasion has connections backwards to