The Dublin-born poet Yeats (5 letters) was William Butler Yeats, an Irish poet and playwright who was one of the foremost figures of 20th century literature. He was a driving force behind the Irish Literary Revival and was one of the few writers to be awarded the Nobel Prize in Literature in 1923. His works often explored themes of love, loss, and mysticism, and he is widely considered to be one of the greatest poets of the English language.