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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 and physici...
 
    Anaximander of Miletus, Philosopher  
Anaximander, Ionian philosopher of Miletus, the first Greek known to have written (c.546) a book in prose, a treatise on nature, now lost except for one quotation. It was said that he introduced into Greece the gnomon (the vertical rod whose shadow i...
 
    Aristarchus, Sun at center of Universe  
Aristarchus of Samosis the first person we know of who suggested that the earth might go around the sun and not the other way around. He figured this out by looking at the shadow of the earth on the moon during an eclipse of the moon (now that Thales...
 
    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 it in his...
 
    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 read in it...
 
 
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 25220) of China. He was educated in the capital c...
 
 
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, wrote in...
 
 
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. Its 25 c...
 
 
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 "The Second...
 
    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 had been...
 
    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 physics, astron...
 
    Avicenna, 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 across a wide...
 
    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 born in S...
 
    Chaucer, Father of English Poetry  
Geoffrey Chaucer, known as the Father of English literature, is widely considered the greatest English poet of the Middle Ages and was the first poet to be buried in Poet's Corner of Westminster Abbey. While he achieved fame during his lifetime a...
 
    Toscanelli, Italian Mathematician  
Paolo dal Pozzo Toscanelli was an Italian mathematician, astronomer, and cosmographer. Toscanelli is noted for his observations of comets and the painstaking calculation of their orbits. Among these was the comet of 1456; only named Halley's comet wh...
 
       
 
         
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