What were achievements of the three great Greek philosophers?

The three great philosophers were Socrates, Plato and Aristole.

Socrates, the father of Western philosophical thought, left behind the Socratic method. It is critical to science and is taught by questioning. He focused more on the soul instead of science. Socrates influence Plato and let him take notes on his thoughts. Plato, Greek's best writer, believes in reincarnation, unlike most people in Greece. Aristotle, the logical philosopher out of the three, was unlike Plato passing on the works of his teacher. Instead, he denounced Plato and destroyed most of his work. Aristotle was the world's first biologist. Many of his findings are still used today. He classified plants and animals and came up with the (something no idea).