Ahmad ibn Rustah
Ahmad ibn Rusta Isfahani (Persian: احمد ابن رسته اصفهانی, romanized: Aḥmad ibn Rusta Iṣfahānī), more commonly known as ibn Rusta (ابن رسته, also spelled ibn Roste), was a tenth-century Muslim Persian explorer and geographer born in Rosta, Isfahan in the Abbasid Caliphate. He wrote a geographical compendium known as the Kitāb al-A‘lāq al-Nafīsa (Arabic: كتاب الأعلاق النفيسة, lit. 'Book of Precious Records').