Sheikh Abu Masoud Razi with the complete name of Abu Masoud Ahmad-Ibn-Forat Razi was a famous philosopher of 3rd century A.H. Tomb of Sheikh Abu Masoud Razi is among the well-known structures from Timurid Era in Isfahan. There has been a large monastery in the same location of his tomb where he was guiding people. Tomb of Sheikh Abu Masoud Razi has been registered as one of national monuments of Iran.