Alisher Navaiy (9 February 441 – January 1501), also known as Nizām-al-Din ʿAlisher Herawī

A 16th century Herat School miniature of Alisher Nava'i

Mufradot – Nava'i's work about problem solving written in 1485. In this work, Nava'i discussed the many different types of problems and offered his own solutions. The first section of Mufradot entitled Hazoin-ul-maoni contains 52 problems in Chagatai and the second section entitled Devoni Foni contains 500 problems in Persian.

Muhakamat al-Lughatayn – Nava'i's work about his belief in the richness, precision and malleability of Turkic as opposed to Persian. In this work, Nava'i also wrote about some poets who wrote in both of these languages. Muhakamat al-Lughatayn was written in 1499.