William Butler Yeats 13 June 1865 - 28 January 1939) was an Irish poet, and one of the foremost figures of 20th-century literature. A pillar of both the Irish and British literary establishments, he helped to found the Abbey Theatre, and in his later years served as an Irish Senator for two terms, and was a driving force behind the Irish Literary Revival along with Lady Gregory, Edward Martyn and others. He was born in Sandymount, Ireland and educated there and in London. He spent childhood holidays in County Sligo and studied poetry from an early age when he became fascinated by Irish legends and the occult.