When Ernest Hemingway won the 1954 Nobel Prize for Literature, presenters called him "one of this epoch's great molders of style," praising his vivid dialogue and journalistic eye for "robust details to accumulate and take on momentous significance." But even the Swedish Academy could not separate Hemingway the writer from Hemingway the adventurer. They also cited his "manly love of danger and adventure, with a natural admiration for every...