Muhammad Ibn Yahya al-Janzi (Arabic: محمد بن يحيى الجنزي) was a Persian scholar, who was born in Nishapur. He was a student of Al-Ghazali and was responsible for spreading his teachings of Shafite Law in Nishapur.
Muhammad Ibn Yahya al-Janzi
|Era||Islamic Golden Age|
During his lifetime, he became an esteemed scholar & was appointed as a head teacher in Nizamiyya  The famous historian Ibn al-Sam'ani also studied under him. Imam Fakhar-ud-din al-Razi is linked with al-Ghazali through Abu Nasr Ahmad ibn Zirr ibn Aqil al-Kamal al-Simnani (d. 575), who was also the student of Yahya al-Janzi.
Just like al-Nawawi wrote a commentary, of a commentary (written by his teacher Ibn al-Salah), of al-Ghazali's "al-Wasit Fil Madhab" titled "Rawdat al-Talibin" & al-Rafi wrote "al-Fath al-azeez fi sharh al-Wajiz", Yahya al-Janzi also wrote a commentary titled "al-Muhit fi Sharh al-Wasit".
He said about al-Ghazali:
He is the second al-Shafi. 
Amongst the famous students of Yahya al-Janzi were:
Yahya al-Janzi died in 549H/1154 AD in Nishapur.
- Ibn Khallikan, Wafayat-al-A'yan, Volume 1, Page 96-97
- al-Sam'ani, Al-Ansab, Volume 5, Page 220
- Al-Subki, Tabaqat, Volume 6, Page 63
- Muntajab al-Din, Atabat al-Kataba, Page 6-9
- Al-Subqi, Tabaqat, Volume 6, Page 16-17
- Al-Subqi's Tabaqat, Volume VI, Page 150
- Frank Griffel, Al-Ghazali's Philosophical Theology, p 71.
- Al-Subqi, Tabaqat, Volume 6, Page 400