Bullshit!
He was well known with those who would be discussing such things.
The powers that be deemed he was a threat to young minds, so he was executed. A nobody or unknown would not have been such a threat.
"Socrates469–399 bc...Athenian philosopher. As represented in the writings of his disciple Plato, he engaged in dialogue with others in an attempt to reach understanding and ethical concepts by exposing and dispelling error (the Socratic method). Charged with introducing strange gods and corrupting the young, he committed suicide as required." Apple Dictionary 1.0.1
It's easy to discount anything by coming up with your own definitions, ain't it?
Try reading a book. One with documentation.