Gholamhossein Mosaheb (October 13, 1910 – 1979) was an Iranian

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

and

logic Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the science of deductively valid inferences or of logical truths. It is a formal science investigating how conclusions follow from premises ...

ian whose works have been praised by other scholars such as

Iraj Afshar Iraj Afshar ( fa, ایرج افشار; 8 October 1925 – 9 March 2011) was a bibliographer, historian, scholar, professor, and an iconic figure in the field of Persian studies. Afshar was a professor emeritus of the University of Tehran. He ...

and Najaf Daryabandari. Being fluent in

Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...

Arabic Arabic (, ' ; , ' or ) is a Semitic languages, Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C ...

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

and

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

, he studied in

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

and

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

; and received his PhD from

Cambridge University , mottoeng = Literal: From here, light and sacred draughts. Non literal: From this place, we gain enlightenment and precious knowledge. , established = , other_name = The Chancellor, Masters and Schola ...

. He was the founder of Mosaheb Institute of Mathematics, Teacher Training University and was the director of the Institute of Mathematics of

Kharazmi University Kharazmi University ( fa, دانشگاه خوارزمی, ''Daneshgah-e Xuarazmi'') is a major public research university in Iran, named after Khwarizmi (c. 780–850), Persian mathematician, astronomer and geographer, offering a wide range of un ...

from 1972-1974. During the 1950s, when Persian scientific typography was flourishing, Mosaheb invented a left slanted right-to-left font style that he named the ''Iranic'' ''font''. This term is still commonly used by typographers in Iran, often as a general term for any left slanted font. In 1955, Mosaheb's ''Madkhale Manteghe Soorat'' (Introduction to Formal Logic) was the first scholarly writing in mathematical logic to be published in Iran. This work was given a positive review in 1957 by L. A. Zadeh in the ''Journal of Symbolic Logic''. Mosaheb's most famous work in non-mathematical society is as the author of ''

The Persian Encyclopedia ''The Persian Encyclopedia'' ( fa, دایرةالمعارف فارسی; Romanized as ''Dāyerat-ol-ma'āref-e Fārsi'') is one of the most comprehensive and authoritative Encyclopedias written in Persian. It is a ''two-volume'' encyclopedia publ ...

'', written in the Persian language and consisting of 3 volumes. His methods of organizing and categorizing are still in use. The 1996 publication of ''The Persian Encyclopedia'' gave credited authorship to himself,

Ahmad Aram Ahmad ( ar, أحمد, ʾAḥmad) is an Arabic male given name common in most parts of the Muslim world. Other spellings of the name include Ahmed and Ahmet. Etymology The word derives from the root (ḥ-m-d), from the Arabic (), from the ve ...

and

Mahmoud Mosaheb Mahmud is a transliteration of the male Arabic given name (), common in most parts of the Islamic world. It comes from the Arabic triconsonantal root Ḥ-M-D, meaning ''praise'', along with ''Muhammad''. Siam Mahmud *Mahmood (singer) (born 19 ...

. On June 28, 2009 it was announced that the 100th book released from the Society for the Appreciation of Cultural works and Dignitaries had been allocated to the life, scientific and cultural works of the late Gholamhossien Mosaheb. This tribute is written by Pegah Hajjan. In it are many of Mosaheb's published works including an article entitled ''The First Trigonometry Book'', as well as appraisals from other scholars. He is the founder of the

Institute of Mathematical Research An institute is an organisational body created for a certain purpose. They are often research organisations (research institute, research institutes) created to do research on specific topics, or can also be a professional body. In some countr ...

(IMR) which is still known as one of the most important Iranian mathematical centers. The Institute of Mathematical Research started its work in October 1965 under the direction of Mosaheb, as a semi-independent institute affiliated with

Tarbiat Moaalem University Kharazmi University ( fa, دانشگاه خوارزمی, ''Daneshgah-e Xuarazmi'') is a major public research university in Iran, named after Khwarizmi (c. 780–850), Persian mathematician, astronomer and geographer, offering a wide range of un ...

. His sister Shams ol-Moluk was one of the first two women appointed to the

Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...

.Iranian Women You Should Know: Shams ol-Moluk Mosahab
Iran Wire, 12 May 2020

References

External links

همنشین بهار: یادی از دکتر غلامحسین مصاحب و فرزند ِ شریفش دایره المعارفنخستين فرهنگ‌نامه‌ي نوين ايران

مقدمه‌ي مصاحب بر دايره‌المعارف فارسي

پديدآورندگان دايره‌المعارف فارسي

{{DEFAULTSORT:Mosahab, Gholamhossein 20th-century Iranian mathematicians 20th-century Iranian inventors Iranian encyclopedists 1910 births 1979 deaths Alumni of the University of Cambridge