Muhammad ibn Mūsā al-Khwārizmī

Muhammad ibn Mūsā al-Khwārizmī (780–850 AD) A famous mathematician and astronomer, he was the first to introduce the number zero to the western and Hindu-Arabic numerals.world.

Muhammad ibn Mūsā al-Khwārizmī was a mathematician, astronomer, astrologer, and geographer. He wrote the first book about linear and quadratic equations and shares the title “father of algebra” with the Greek scientist Diophantus.

http://en.wikipedia.org/wiki/Muhammad_ibn_Mūsā_al-Khwārizmī

http://new.math.uiuc.edu/im2008/rogers/algebra.html

http://www-history.mcs.st-and.ac.uk/Biographies/Al-Khwarizmi.html

http://www2.stetson.edu/~efriedma/periodictable/html/Am.html