Hamo Sahyan (Hmayak Grigoryan) was born in the village of Lor in Syunik Province. In 1939 he graduated from Baku Pedagogical Institute, Armenian Department. From 1939 to 1941 he worked at a newspaperseditorial office. He participated in the Great Patriotic War. From 1945 to 1951 he worked for Baku’s Armenian newspaper, then moved to Yerevan. From 1951 to 1965 he worked in the editorial offices of several periodicals as editor-in-chief. Btween 1965 and 1967 he was the editor-in-chief of "Grakan Tert” (Literary Newspaper). He was awarded the Order of October Revolution, Order of the Red Banner of Labour and Order of the Badge of Honor. He died in Yerevan.