******207-YEAR OLD SPOILERS!****** Young 19th century author Mary Shelley’s groundbreaking 1818 novel “Frankenstein; or The Modern Prometheus,” famously fused gothic horror with elements of science fiction. It’s since been adapted into various mediums, including stage plays and films. The most popular of these adaptations were the loosely-adapted Universal Monster movies of the 1930s-1940s, three of…