Today’s poem is by William Butler Yeats[a] (13 June 1865 – 28 January 1939), an Irish poet, dramatist, writer and politician. One of the foremost figures of 20th-century literature, he was a driving force behind the Irish Literary Revival and became a pillar of the Irish literary establishment who helped to found the Abbey Theatre. In his later years, he served two terms as a Senator of the Irish Free State. Yeats was awarded the Nobel Prize in Literature in 1923.
—Bio via Wikipedia