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473 BCE
Empedocles
Was a philosopher and poet. born in Acagras in Sicily about 492
The foundations of Empedocles' physics lie in the assumption that there are four elements that make up all things of earth. Gaea, air, fire and water. -
460 BCE
Democritus the Laughing Philosopher
Was a astronomer and a anthropologist. And was born ain Abdera, about 460 BCE,
From the difficulty of assigning a beginning of time, he argued the eternity of existing nature, of void space, and of motion.
He supposed the atoms, which are originally similar, to be impenetrable and have a density proportionate to their volume. -
350 BCE
Aristotle
Aristotle did not believe in the atomic theory and he taught so otherwise. He thought that all materials on Earth were not made of atoms, but of the four elements, Earth, Fire, Water, and Air. He believed all substances were made of small amounts of these four elements of matter. -
288 BCE
Alchemists
Alchemists are people who believe in being able to changeing the form of mater to a diffrent one.
The one rule thay follow is equivatent exchange. That means that every thigh thay change has to be even.
