"Ibn Khaldun was a brilliant North African polymath of Arab descent who was born Tunis but travelled extensively throughout North Africa. He was a statesman, philosopher, Islamic theologian and jurist, historian, astronomer, mathematician, economist, poet, and social scientist and is widely considered to be the father of historiography, cultural history, demography, philosophy of history, and sociology." - @Davia Bailey
Iran - Ibn Khaldun, May 27, 1332 AD/732 AH – March 19, 1406 AD/808 AH was a Muslim historiographer and historian who is often viewed as one of the fathers of modern historiography, sociology and economics.
*** Tribute to Muslim Scientist *** "Muhammad ibn Musa Al-Khwarizmi - #Persian Mathematician, Astronomer and Geographer. Al'Khwarizmi was an Islamic mathematician who wrote on Hindu-Arabic numerals and was among the first to use #zero as a place holder in positional base notation. The word #algorithm derives from his name. His algebra treatise "Hisab al-jabr w'al-muqabala" gives us the word algebra and can be considered as the first book to be written on algebra. #MuslimScientists
Helmet, Egyptian, c. 1293-1341, bears the name of the Mamluk sultan Ibn Qala’un, who ruled from Cairo a century before Barquq, the sultan who appointed and dismissed Ibn Khaldun as chief justice on several occasions.