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Mohammad Taghi Sadr (1932-2017) was a retired mathematician and professor at the University of Tehran in the Department of Mathematics

Mohammad Taghi Sadr was born in Sabzevar, Iran in 1932. After his high school education, he entered the University of Tehran and graduated from the Faculty of Science in the field of Mathematics. Afterwards, he went to the University of Paris, where in 1967, he received a doctorate in mathematics under the supervision of Professor Charles Ehresmann, publishing Structures topogènes sur une catégorie. Since then, in addition to being a member of the Faculty of Sciences of Tehran University and a member of the Council for Planning and Authoring Mathematics Books, Iran's official educational books at different levels, Dr. Sadr has taught at several universities around the world, including the University of North Dakota in America and the University of Southampton, England. After more than 40 years of service at the University of Tehran he officially retired and in 2005, and stayed busy writing articles about Nasir al-Din al-Tusi.

After several years of fighting Parkinson's Disease, Dr. Sadr passed away in April 2017 in Tehran.