Britannica Sources used in this answer

Who helped Mesrop Mashtots develop the Armenian alphabet?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

According to tradition, St. Mesrop Mashtots developed the Armenian alphabet in 405 CE with the support of King Vramshapuh, who served as his patron.1

He was assisted in this endeavor by St. Isaac the Great, the supreme head of the Armenian Apostolic Church, and a Greek individual known as Rufanos.12