Heron of Alexandria was an ancient Greek mathematician who was a resident of a Roman province (Ptolemaic Egypt); he was also an engineer who was active in his hometown of Alexandria. He is considered the greatest experimenter of antiquity a...

Claudius Ptolemy was a Greco-Egyptian writer of Alexandria, known as a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in the city of Alexandria in the Roman province of Egypt...

Aryabhata is the first of the great astronomers of the classical age of India. He was born in 476 AD in Ashmaka but later lived in Kusumapura, which his commentator Bhaskara I (629 AD) identifies with Patilputra (modern Patna). Aryabhata...

Brahmagupta was a great Indian mathematician and astronomer who wrote many important works on mathematics and astronomy. His best known work is the Brahmasphutasiddhanta (Correctly Established Doctrine of Brahma), written in 628 in Bhinmal...

Al-Khwarizmi was a Persian scholar who produced works in mathematics, astronomy, and geography. Around 820 AD he was appointed as the astronomer and head of the library of the House of Wisdom in Baghdad. Al-Khwarizmi's popularizing treat...

Al-Farabi was a renowned scientist and philosopher of the Islamic Golden Age. He was also a cosmologist, logician, and musician. Through his commentaries and treatises, Al-Farabi became well known among medieval Muslim intellectuals as "...

Pope Sylvester II, born Gerbert d'Aurillac, was a prolific scholar, teacher, and Pope. He endorsed and promoted study of Arab/Greco-Roman arithmetic, mathematics, and astronomy, reintroducing to Europe the abacus and armillary sphere, which...

Alhazen (Ibn al-Haytham) was a Muslim scientist, polymath, mathematician, astronomer and philosopher, described in various sources as either Persian or Arab. He made significant contributions to the principles of optics, as well as to physi...

Avicenna is the Latinate form of Ibn-Sina. He was a Persian polymath regarded both in Europe and the Middle East as one of the most significant thinkers and writers of the Islamic Golden Age. He is known to have written around 450 works acr...

Omar Khayyam was a Persian mathematician, astronomer, philosopher, and poet. He was born in Nishabur, in northeastern Iran, and spent most of his life near the court of the Karakhanid and Seljuq rulers in the period which witnessed the Firs...

Averroës is the Latinized form of Ibn Rushd, a mediæval Andalusian Muslim polymath. He wrote on logic, Aristotelian and Islamic philosophy, theology, the Maliki school of Islamic jurisprudence, psychology, political and Andalusian classical...

Moses Maimonides is regarded by many as the greatest Jewish philosopher ever. As a doctor, rabbi, religious scholar, mathematician, astronomer, and commentator on the art of medicine, his influence has spanned centuries and cultures. He was...

Leonardo Pisano Bigollo or simply Fibonacci, was an Italian mathematician, considered by some "the most talented western mathematician of the Middle Ages." Fibonacci is best known to the modern world for the spreading of the Hindu-Arabic nu...

Roger Bacon was an English philosopher and Franciscan friar who placed considerable emphasis on the study of nature through empirical methods. He is sometimes credited (mainly since the nineteenth century) as one of the earliest European ad...

William of Ockham was an English Franciscan friar and scholastic philosopher and theologian, who is believed to have been born in Ockham, a small village in Surrey.[1] He is considered to be one of the major figures of medieval thought and...