One of the most influential figures of the twentieth century, William Butler Yeats (1865-1939) is among the greatest poets to have written in the English language. He was a multi-talented writer, fascinated by the occult, an important dramatist, critic and autobiographer, with a career extending over more than fifty years. Professor Jeffares investigates the relationship between Yeats"s life and his work. He considers the crucial moments as well as the famous relationships that changed Yeats"s destiny. A founder of the Abbey Theatre, Dublin, Yeats was also a Senator of the Irish Free State. His life has provided a remarkably rich and varied canvas for this timeless biography.