'Ode on a Grecian Urn' who is the poet of the poem?

'Ode on a Grecian Urn' is the famous poem by John Keats. He is called the poet of beauty. His famous writings are Endymion, Hyperion, Ode to Psyche, A part of Lovers, Bright Star, A daughter of Sunshine, Lamia, Ode to a Nightingale, ode to Autumn, The eve of St. Agnes etc.
Source: Website lecture.