Iran's atomic energy chief Gholamreza Aghazadeh resigns

Iran's atomic energy chief Gholamreza Aghazadeh has resigned on Thursday, the ISNA news agency reported on July 16, 2009. File picture shows Gholamreza Aghazadeh at an exhibition about Iran's nuclear program at Tehran University campus in Tehran, Iran on November 26 , 2008. (UPI Photo/Mohammad Kheirkhah)