Ancient Scientists
Thales
First scientist
Looked for causes and recorded observation
Thaleans believed the universe was geocentric
This means that the earth is the center of the universe
Aristotle
Considered Plato his father in philosophy
Plato considered Socrates his father in philosophy
Copernicus
Believed the universe was heliocentric
This means that the sun is the center of the universe
Pythagoras
Developed the Pythagoras theorem
Ptolemy
Described the motion of planets
Formed an idea about relative planet positions