An American essayist, poet, and popular philosopher, Ralph Waldo Emerson (–82) began his career as a Unitarian minister in Boston, but achieved worldwide fame as a lecturer and the author of such essays as “Self-Reliance,” “History,” “The Over-Soul,” and “Fate.” Drawing on English and German Romanticism, Neoplatonism, Kantianism, and Hinduism, Emerson developed a.