Which 19th century American author went to sea aged 17 in a whaler, deserted twice, was captured by cannibals and joined a man of war before writing novels such as "White Jacket" and "Billy Budd"?
Which 19th century author improved the system of signalling at sea and wrote "Mr Midshipman Easy", "Masterman Ready" and "The Children of the New Forest"?
Where was Zane Grey born, later an author, a dentist, and known for his adventure novels about the American West and frontier territory?