Which famous poet is known for his Odes, including "Ode on a Grecian Urn" and "To Autumn"?

The correct answer is John Keats, a prominent figure in the Romantic movement known for his lyrical poetry and the use of vivid imagery. His "Ode on a Grecian Urn" and "To Autumn" are celebrated examples of his ability to convey deep emotions and explore themes such as beauty, nature, and the passage of time. In "Ode on a Grecian Urn," Keats contemplates the relationship between art and life, while "To Autumn" reflects on the beauty of the changing seasons and the inevitability of decay. Keats' odes are notable for their rich language, philosophical depth, and masterful use of form, making him a key poet of the 19th century.