Fakhr Ad-Dīn Ar-Rāzī was born on 1149 AD. He was Iranian national and known as Theologian.
Nāṣer-e Khusraw was born on 1004 AD. He was Iranian national and known as Persian author.
ʿAṭā Malek Joveynī was born on 1226 AD. He was Iranian national and known as Historian.