Isabella Augusta, Lady Gregory (1852 - 1932) was an Irish dramatist, folklorist and theatre manager. With William Butler Yeats and Edward Martyn, she co-founded the Irish Literary Theatre and the Abbey Theatre and wrote numerous short works for both companies. Lady Gregory produced a number of books of retellings of stories taken from Irish mythology. Born into a class that identified closely with British rule, her conversion to cultural nationalism, as evidenced by her writings, was emblematic of many of the political struggles to occur in Ireland during her lifetime. William Butler Yeats (1865 - 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, founded the Abbey Theater, where he served as its chief during its early years. In 1923, he was awarded the Nobel Prize in Literature as the first Irishman so honored for what the Nobel Committee described as "inspired poetry, which in a highly artistic form gives expression to the spirit of a whole nation". Yeats is considered to be one of the few writers who completed their greatest works after being awarded the Nobel Prize.