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    Imhotep, Architect Pyramid of Djoser  
Imhotep was an Egyptian polymath who served under the Third Dynasty king Djoser as chancellor to the pharaoh and high priest of the sun god Ra (or Re) at Heliopolis. He is considered by some to be the earliest known architect and engineer a...
 
    Anaximander of Miletus, Philosopher  
Anaximander was a pre-Socratic Greek philosopher who lived in Miletus, a city of Ionia (in modern-day Turkey). He belonged to the Milesian school and learned the teachings of his master Thales. He succeeded Thales and became the second mast...
 
    Aristarchus of Samos, Sun at center of Universe  
Aristarchus of Samos was an ancient Greek astronomer and mathematician who presented the first known heliocentric model that placed the Sun at the center of the known universe with the Earth revolving around it. He was influenced by Phi...
 
    Hipparchus, Astronomer  
Hipparchus was the most important Greek astronomers of his time. He very accurately cataloged over 1,000 stars and invented the mathematical science of trigonometry. Ptolemy was a great admirer of Hipparchus's research and recorded some of...
 
    Posidonius, Greek Philosopher  
Posidonius of Apameia or of Rhodes was a Greek Stoic philosopher, politician, astronomer, geographer, historian and teacher native to Apamea, Syria. He was acclaimed as the greatest polymath of his age. None of his vast body of work can be...
 
 
78 - 139
  Zhang Heng, Chinese Scientist  
Zhang Heng was a Chinese astronomer, mathematician, inventor, geographer, cartographer, artist, poet, statesman, and literary scholar from Nanyang, Henan. He lived during the Eastern Han Dynasty (AD 25–220) of China. He was educated in the...
 
 
90 - 168
  Ptolemy, Astronomer / Mathematician  
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...
 
 
598 - 668
  Brahmagupta, Indian Mathematician  
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...
 
 
780 - 850
  Al-Khwarizmi, Persian Scholar, Father of Algebra  
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...
 
 
870 - 950
  Al-Farabi, Muslim Philosopher  
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 "...
 
    Sylvester II, 1st French Pope  
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, The Physicist  
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, Ibn-Sina, Persian Polymath  
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, Persian Mathematician / Astronomer  
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...
 
    Maimonides, Jewish Philosopher  
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...
 
       
         
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