Nasiruddin Tusi

Founder and head of the Observatory of Maragha Nasreddin Tusi (1201-1274) is an author of  Risayeyi-Tibb (Medical booklet) and Javahirname (A book on precious stones ) works dealing with minerals and other natural means of treatment.. A number of scientists had created works belonging to the scientific school of Nasreddin Tusi. One of these scientists is Abdul Majid Tabib.