Which famous poet is known for the collection "Leaves of Grass"?

Walt Whitman is the renowned poet behind the collection "Leaves of Grass." First published in 1855, this work is notable for its celebration of individualism and the human spirit. Whitman’s poetry often embodies themes of nature, democracy, and the interconnectedness of all people, which are prominently explored throughout the various editions of "Leaves of Grass." The collection's free verse style and innovative use of language have had a significant impact on American poetry and inspired countless writers following Whitman. This masterpiece continues to be studied and celebrated for its profound exploration of identity and experience.

The other poets listed, while highly influential and significant in their own right, are not associated with "Leaves of Grass." Emily Dickinson is known for her unique and introspective poems, Robert Frost for his depictions of rural life and nature, and Langston Hughes for his pivotal role in the Harlem Renaissance and exploration of African American themes.