Daniel Defoe is best known as a novelist, particularly for Robinson Crusoe, making him a prominent figure in prose fiction. Thomas Gray, John Donne, and Alfred Tennyson are all primarily poets. Thomas Gray is famous for Elegy Written in a Country Churchyard. John Donne is known for his metaphysical poetry, such as The Flea and Death Be Not Proud. Alfred Tennyson was a Victorian poet, known for The Charge of the Light Brigade and Ulysses.