Socrates 

Socrates was born in circa 470 BC, in Athens, Greece. Socrates worked as a stone mason for many years until he devoted his life to philosophy. He is one of the founders of Western Philosophy.Socrates used the Socratic method as his approach, this concept was asking questions and by doing so you'll find your answer in those reposes. This method was designed to examine your beliefs. People accused Socrates of teaching the young of Athens and disrespecting the Gods. They sentenced him to death by poison (hemlock).