Complex sentence: George Bernard Shaw, playwright, lived in Hindhead at the current site of St. Edmund's School (Hindhead), whilst Sir Arthur Conan Doyle lived at Undershaw (which became a hotel and restaurant on the A3, now closed).
Split into simpler sentences: George Bernard Shaw, playwright, lived in Hindhead at the current site of St. Edmund's School (Hindhead). Whilst Sir Arthur Conan Doyle lived at Undershaw (which became a hotel and restaurant on the A3, now closed).