Historically, Sarajevo has been home to several prominent Bosnian poets, scholars, philosophers and writers. Fairy circles feature in works by several Elizabethan poets and playwrights. It was believed that Jinns revealed poems to poets and music to musicians. Many younger Russian poets and writers, such as Konstantin Simonov, were influenced by him. These writers saw themselves as in revolt against the classicism of the "New Country" poets. He had a significant influence on a diverse range of poets and writers. Many new poets and authors are promising. The scholars of Alexandria included Sappho in the canon of nine lyric poets. The Greeks used it as a term of praise for poets and other artists. Contacts between these Spanish poets and the French troubadours were frequent. Some were renowned poets and calligraphers as well. Yeats is considered one of the key twentieth-century English-language poets. His works were the inspiration of Rumi and many other mystic poets. Many modern poets eschew recognizable structures or forms and write in free verse. Many of the most renowned "serious" poets have also excelled at light verse.