 During those years the cultural life in Yerevan was flourishing, the School of Fine Arts was founded by the Society of Fine Arts Workers of Armenia with its departments of painting, sculpture and applied arts.Artists were involved in the works of the Haypethrat, the State Theater and the press.In 1939 Kojoyan participated in a ten-day exhibition of Armenian art in Moscow and was awarded the Order of the Red Banner of Labour, meanwhile he received the title of People's Artist of the Republic.