Sir Arthur Conan Doyle (1859-1930) was born in Edinburgh where he qualified as a doctor, but it was his writing which brought him fame, with the creation of Sherlock Holmes, the first scientific detective. He was also a convert to spiritualism and a social reformer who used his investigative skills to prove the innocence of individuals. Peter Ackroyd is a well known writer and historian. He has been the literary editor of The Spectator and chief book reviewer for the The Times, as well as writing several highly acclaimed books including a biography of Dickens and London- The Biography. He resides in London and his most recent highly acclaimed work is Thames- Sacred River.