John Keats (1795–1821) lived fast, wrote brilliantly, and left behind some of the finest poetry in the English language. Born in London to a family of modest means, he lost his parents young and trained as a surgeon. But medicine was never his true calling—poetry was. By 1816, he abandoned scalpels for sonnets, drawn to the richness of language and the ideals of Romanticism. His early works weren&...