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    The Human Evolution  
Australopithecus afarensis is an extinct hominid that lived between 3.9 and 2.9 million years ago. A. afarensis was slenderly built, like the younger Australopithecus africanus. It is thought that A. afarensis was more closely related to the genus Ho...
 
    Ishango Bone, Mathematical Tool - 1960  
The Ishango bone is a bone tool, dated to the Upper Paleolithic era, about 18000 to 20000 BC. It is a dark brown length of bone, the fibula of a baboon, with a sharp piece of quartz affixed to one end, perhaps for engraving or writing. It was first t...
 
    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...
 
    Pharaoh Khufu, Pyramid of Cheops, Giza  
Khufu (in Greek known as Cheops) was a Pharaoh of Ancient Egypt's Old Kingdom. He reigned from around 2589 to 2566 B.C. Khufu was the second pharaoh of the Fourth Dynasty. He is generally accepted as being the builder of the Great Pyramid of Giza, on...
 
    Thales, 1st Greek Philosopher  
Thales of Miletus seems to be the first known Greek philosopher, scientist and mathematician although his occupation was that of an engineer. He is believed to have been the teacher of Anaximander (611 BC - 545 BC) and he was the first natural philos...
 
    Pythagoras of Samos  
Pythagoras of Samos was an Ionian Greek philosopher, mathematician, and founder of the religious movement called Pythagoreanism. Most of the information about Pythagoras was written down centuries after he lived, so very little reliable information i...
 
    Empedocles, The 4 Classical Elements  
Empedocles was a Greek pre-Socratic philosopher and a citizen of Agrigentum, a Greek city in Sicily. Empedocles' philosophy is best known for being the origin of the cosmogenic theory of the four Classical elements. He also proposed powers called Lo...
 
    Zeno of Elea, All is One  
Very little is known of the life of Zeno of Elea. We certainly know that he was a philosopher, and he is said to have been the son of Teleutagoras. The main source of our knowledge of Zeno comes from the dialogue Parmenides written by Plato. Zeno was...
 
    Leucippus, 1st Theory of Atomism  
Leucippus or Leukippos was the first Greek to develop the theory of atomism the idea that everything is composed entirely of various imperishable, indivisible elements called atoms which was elaborated in far greater detail by his pupil and succe...
 
    Democritus, 1st Atomic Theory  
Democritus ("chosen of the people") was an Ancient Greek philosopher born in Abdera, Thrace, Greece. He was an influential pre-Socratic philosopher who formulated an atomic theory for the cosmos. His exact contributions are difficult to disentangle f...
 
    Epicurus, Pleasure is the Highest Good  
Epicurus was an ancient Greek philosopher as well as the founder of the school of philosophy called Epicureanism. Only a few fragments and letters of Epicurus's 300 written works remain. Much of what is known about Epicurean philosophy derives from l...
 
    Euclid of Alexandria, Mathematician  
Euclid of Alexandria is the most prominent mathematician of antiquity best known for his treatise on mathematics The Elements. The long lasting nature of The Elements must make Euclid the leading mathematics teacher of all time. However little is kno...
 
    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...
 
    Archimedes of Syracuse, Eureka!  
Archimedes of Syracuse was an Ancient Greek mathematician, physicist, engineer, inventor, and astronomer. Although few details of his life are known, he is regarded as one of the leading scientists in classical antiquity. Generally considered the gre...
 
    Eratosthenes, Measuring the Earth  
Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. He invented the discipline of geography, including the terminolog...
 
       
 
         
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