Which author, who wrote "Portrait Of A Lady", "The American" and "Roderick Hudson", was born in New York in 1843 and became a naturalised Englishman in 1915?
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"?