Imam at-Tirmizi, born in 209 AH (824) in Termez, was a Persian Islamic scholar and collector of hadith. He wrote Jami at-Tirmizi, one of the six major hadith compilations (Kutub al-Sittah) in Sunni Islam. At-Tirmizi began the study of hadith at the age of 20. From the year 235 AH (849/850) he traveled widely in Khurasan, Iraq, and the Hijaz in order to collect hadith.