William Butler Yeats was an Irish poet and one of the foremost figures of 20th century literature. A pillar of both the Irish and British literary establishments. Yeats was a driving force behind the Irish Literary Revival. In 1923, he was awarded the Nobel Prize in Literature as the first Irishman so honoured for what the Nobel Committee described as "inspired poetry, which in a highly artistic form gives expression to the spirit of a whole nation."...