Irish art Evie Hone worked in stained glass. Portraitists have included Daniel Maclise, John Lavery, William Orpen (both these War Artists in WWI), John Butler Yeats (father of Jack and William Butler), and Henry Jones Thaddeus. Apart from Francis Bacon, who left Ireland as a young man, the best-known 20th-century Irish artist was Jack Yeats, brother of the poet, also with an individual style that is hard to classify. The art of Seán Keating was poised between Social Realism and Romanticism, and addressed public and political themes in an emerging nation. Irish Modernism began with Mainie Jellett, with later participants being The
Protestant Irish nationalists their United Irish sympathies. The rebellion became the main reason for the Acts of Union, which passed in 1800. In 1803 there was another Irish rebellion led by Robert Emmet, brother of Thomas Addis Emmet. He was joined by other Protestants such as James Hope and was later executed for his part in the rising. In the 1840s Thomas Davis, the revolutionary writer and poet, and John Mitchel were involved in the radical politics of their day, and William Smith O'Brien led the rebellion in 1848. The democratic and non-violent Repeal Association led by Daniel O'Connell in the 1830s and