He was born in Ghouchan, Mashhad. His mother’s family originally were from Armenia and immigrate to Iran in 1923. Azizeh, the mother of Yousef, was the third child in her family. Hasan, the father of Yousef, had a store in Ghouchan. When Yousef went to join high school, since he was interested in regularity and orders in nature, he chose the major of Mathematics-physics in high school.