Kostan Zaryan was born in the city of Shamakhi (Russian Empire). In 1890 Kostan Zaryan (Kostantin Yeghiazaryan) moved Baku with his family, where he entered the Russian gymnasium. His elder brother took him to Paris, where he entered Saint-Germain College, after graduation he lived in the Caucasus and went to Belgium to continue his studies. He received the degree of Doctor of Philosophy in Belgium. Kostan Zaryan wrote his first works, poems, articles, essays in French. From 1910-1913 Zaryan lived in Venice where he studied Armenian with Mkhitaryan congregants. Until then, Zaryan wrote and published his works in different languages: Italian, French and etc. The first book "The Three Songs" was written in Italian (was published in Armenian in 1931). From 1921-1922 he lived in Constantinople. In the same year Zaryan's first book "Crown of Days" written in Armenian was published in Istanbul and in the fall Zaryan and his family moved to Yerevan. 1922-1924 he taught at the Yerevan State University. However, in 1924 Zaryan again left for Europe. He founded and edited the magazine of art, literature and philosophy "Tower of Babel" (in French), in 1925, in Paris, Then he left for Italy. From 1944-1946 he taught Armenian Studies at Columbia University in New York. In 1946, he founded and edited the English magazine "Armenian Quarterly" in New York. 1952-1954 taught history of art at the American University of Beirut. In 1961, he immigrated to Armenia again. Kostan Zaryan he was a senior researcher at Yeghishe Charents Literature and Art Museum from 1962-1969. Since 1965 was a member of the Union of Writers of the USSR. Kostan Zaryan died in Yerevan.