Thales of Miletus
The earliest of the natural philosophers of ancient Greece, Thales was a mathematician and astronomer. His assertion that the world started from water was the first to consider the elements of the Universe.
he fundamental question of what the Universe is made of has occupied the minds of the greatest thinkers for thousands of years. The ancient Greeks, tireless and ingenious speculators about the Universe, turned their attention to the structure of the materials composing it. The Greek philosopher Thales of Miletus, who lived clearly, life could not exist without it. He described Earth itself as a flat slab, floating on top of an infinite mass of water.
