When did libby discover carbon dating
The work had a hostile reception when it was published (1543), as it challenged the ancient teaching of the Earth as the centre of the universe.
In the 1600' Galileo and Kepler began to develop the physics that would prove Copernicus right.
Empedocles - Some suggest (c.484-c.424) - Greek doctor, poet and philosopher.
To account for real change, he assumed that there must be more than one kind of matter, and he postulated four roots as elements; earth, air, fire, and water.
Democritus of Abdera - Greek philosopher; pupil of Leucippus; developed atomic theory; elaborated idea that matter consisted of atoms having physical size and shape which constantly moved in a void and interacted in different ways; Greek word atoma means indivisible.
Issac Newton - English mathematician and scientist; developed theory of matter; first to demonstrate the color components of white light with a prism and the reconstruction of these colors into white light with a second prism; researched the optical characteristics of chemical substances; studied gravitation and motion; developed the law of gravitation.
Ole Christensen Roemer - Denmark; was the first to show that the velocity of light is finite.
Preoccupied with change, he declared that fire is the central element of the universe, and he postulated a world with no beginning and no end...
Pythagoras - Greek philosopher and mathematician; held that numbers were basic to matter; the Pythagorean Theorem is named for his geometric formulation; developed atomic theory; students of his philosophy emphasized geometrical form as a basic property of atoms; developed mathematical relationships which led to musical harmony.