1929-1990 IR, Mashhad
Mehdi Akhavān-Sāles , or Akhavān-Sāless (Persian: مهدی اخوان ثالث) (March, 1929 in Mashhad, Iran - August 26, 1990 in Tehran, Iran), pen name M. Omid (م. امید, Hope) was a prominent Iranian poet. He is one of the pioneers of Free Verse (New Style Poetry) in Persian language.