John Keats was an English Romantic poet who wrote many works, including odes. An ode is a type of lyrical poem that expresses strong emotion and is often written in praise of a person or thing. Keats wrote several odes, such as 'Ode to a Nightingale' and 'Ode on a Grecian Urn'. He also wrote other works, such as sonnets, narrative poems, and letters. His works are still widely read and studied today.