The influential American writer known for the transcendental movement is Walt Whitman. Often considered one of America's greatest poets, Whitman's iconic collection *Leaves of Grass* reflects the core ideas of transcendentalism, emphasizing individualism, nature, and the human experience. His writing style broke conventions of the time, utilizing free verse and exploring themes of democracy and equality. Whitman's works celebrate diverse voices and experiences, representing the breadth of American life. His influence extends beyond literature into modern culture, inspiring poets, authors, and artists to embrace themes of self-expression and the interconnectedness of humanity.