Greek Philosophers

(638-648 BC) develop the theory of matter based upon water

(470-399 B.C) emphasized the theory of skepticism study of human in relation to society.

about 400 B.C started the science of medicine and known as the greatest physician of antiquity and regarded as the father of medicine

assumed that three were more than one kind of matter and postulated four root elements EARTH AIR FIRE WATER

regarded the father of biology

performs experiments which led him to discover the laws of the level.

greatest astronomers who founded the geocentric theory

develop atomic theory

mathematician pythagorean theorem

dealt with the nature of the universe

both mathematicians and astronomers (discovered about orbit)

discovered the length of the month

determine that the circumstances of the earth was 28,000

regarded the father of plant also wrote cause of plant