Muhammad Ibn Mūsā Al-Khwārizmī

male, deceased (850)
Islamic astrology, Islamic mathematics, Islamic astronomy, decimal, uzbekistan, Geographer…positional number system, Positionalnotation
"'"' was a Persian mathematician, astronomer, astrologer and geographer. He was born around 780 in Khwārizm (now Khiva, Uzbekistan) and died a...

John Of Seville

male
Book of Algorithms on Practical Arithmetic, Positionalnotation, gout, Ourense, Secretum Secretorum, Johannes Hispalensis
John of Seville (Latin: Johannes Hispalensis or Johannes Hispaniensis) was a twelfth-century translator, perhaps however working at Galician Limia...