T.S. Eliot was a transformative figure in modernist poetry, known for key aspects including his innovative use of form and rich allusions. His groundbreaking works, such as The Waste Land and Prufrock, reflect the disillusionment and fragmentation of the early 20th century. Eliot's poetry often incorporates a variety of cultural references, employing techniques like stream of consciousness to capture the complexities of modern life. As a critic and playwright as well, Eliot's influence extended beyond poetry to shape literary criticism and theatrical expression, securing his status as a leading literary figure.