Socrates

Could be considered as the father of philosophy.

He is the one who questioned everything and everyone in his time including god.

Agora is  where they / he discussed politics, arts and philosophy.

He never left a record of his saying.

Thanks to his student Plato his thinking revibrates to modern time.

He believed in afterlife. He postulated if there is afterlife, there is probability of life before and reincarnation.

There was no writing left behind from his time.
His student Plato probably recorded verbatim the discussion he had with his teacher.
In later life Plato was critical of his teacher and contributed his line of thinking to philosophy.

He had followers and haters.

There were three accusers.

Charges of impiety.
1. Going against the God.
2. Homosexuality.

Sentence   Death Penalty.

Chosen by 501 citizens by drawing lots.

1. 260              Yes
2. 220               No
3.    21              Abstained

He was given poison to drink.

When asked about helping him to escape from prison cell he said;
Breaking one law is breaking all the laws.

Plato had known to say;
"We lost the best upright man in history".