"Adonais" is an elegy on the death of John Keats. Who wrote this?

Percy Bysshe Shelley:
- Born: Aug. 4, 1792 Field Place, near Horsham, Sussex, England.—
- Death: July 8, 1822, Mediterranean Sea Italy.
- He was an English Romantic poet whose passionate search for personal love and social justice was gradually channeled from overt actions into poems that rank with the greatest in the English language.

Adonais:
- pastoral elegy by Percy Bysshe Shelley, written and published in 1821 to commemorate the death of his friend and fellow poet John Keats earlier that year.
- Referring to Adonis, the handsome young man of Greek mythology who was killed by a wild boar, the title was probably taken from Bion’s Lament for Adonis, which Shelley had translated into English.

Best works:
- A Defence of Poetry
- A Philosophical View of Reform
- Adonais
- Alastor; or The Spirit of Solitude
- Epipsychidion
- Ode to the West Wind
- Oedipus Tyrannus; or, Swellfoot the Tyrant
- Ozymandias
- Peter Bell the Third
- Prometheus Unbound
- Queen Mab
- Rosalind and Helen
- The Cenci
- The Cloud
- The Masque of Anarchy
- The Necessity of Atheism
- The Revolt of Islam
- The Witch of Atlas
- To a Sky-Lark

Notable quotes of P.B Shelley:
- If winter comes, can spring be far behind? (Ode to the West Wind)
- Our sweetest songs are those that tell of saddest thoughts. (Ode to a skylark)
- The more we study the more we discover our ignorance.

Source: Britannica.com