_ _, an American poet, is the founder of free verse in Europe and America, and _ is his main collection of poems.
Whitman, an American poet, is the founder of free verse in Europe and America, and Leaves of Grass is his main collection of poems.
Walter. Walt whitman was born in Long Island, new york. He is a famous American poet and humanist. He created free verse, and his masterpiece is Leaves of Grass.