Who is famous for his 'A Defense of Poetry'?

P. B. Shelley is known as Revolutionary Poet, Lyrical Poet, Poet of Wind and Poet of Hope and Regeneration.
Notable works of Shelley: Prometheus Unbound, Adonais, A Defence of Poetry, Ode to the West Wind, To a Skylark, The Revolt of Islam, Ozymandias, Alaster, Ozymandias, Queen Mab, The Cloud.
Source: Website lecture.