 The statue of Ferdowsi in the Ferdowsi square, the statue of Khayyam in Laleh Park of Tehran, the statue of Nader Shah in his mausoleum in Mashhad, and the portrait of Abu-Ali Sina are examples of his works.Abolhassan Sadighi was born in Oudlajan neighborhood of Tehran on 5 October 1894.His father, Mirza Bagher Khan Sadigoddoleh, was from the residents of Nur, Mazandaran; his mother, Malakeh Khanum, was one of Qajar princesses and known as "Shajan".