The immortal “Frankenstein” turns 200

Two centuries ago, at a storm-tossed villa in Switzerland rented by Lord Byron, a young girl named Mary Shelley accepted a challenge to write a ghost story, and created what would become one of the most famous names in horror: Frankenstein. Roxana Saberi looks at the creation of Shelley’s mythic tale, published in 1818, and what her story of a scientist who harnesses life itself has to teach audiences today.