What is Wallace Stevens known for in the realm of poetry?

Wallace Stevens is renowned for his work "Harmonium," which is a significant collection of poems that showcases his innovative use of language and rich imagery. This collection, published in 1923, marks a crucial point in modern poetry, as Stevens often blends philosophical inquiry with a profound appreciation for the beauty of the natural world. His poems explore themes of imagination, reality, and the role of art in human experience, establishing him as a pivotal figure in 20th-century American literature.

The other works mentioned are by different poets: "We Real Cool" is a famous poem by Gwendolyn Brooks, "The New Colossus" is written by Emma Lazarus, and "Richard Cory" is penned by Edwin Arlington Robinson. Each of these poets brings a distinct voice and style to their works, but it is Stevens' "Harmonium" that solidifies his legacy as an influential craftsman of modern poetry.