Who is not a British writer?

W.B Yeats. was an Irish poet, dramatist, and prose writer, one of the greatest English-language poets of the 20th century. 

• W.B Yeats:
- William Butler Yeats (1865-1939):
- He was a poet, dramatist and critic, famous for his use of symbolism and mysticism.
-The Resurrection (1913)
-The Wild Swans at Coole (1919)
-The Cat and the Moon (1926)
-The Tower (1928)
-The Winding Stair and Other Poems (1933)

• Emily Brontë, George Eliot, Samuel Butler were British novelists.

Source: An ABC of English Literature - Dr M Mofizar Rahman & Britannica