Parmenides of Elea

a pre-socratic philosopher

Parmenides of Elea, active in the earlier part of the 5th century BC, authored a difficult metaphysical poem that has earned him a reputation as early Greek philosophy's most profound and challenging thinker.

The Parmenides Foundation has been named after him because he was the first philosopher in western philosophy who raised the issue of the relationship between thought and reality and the strengths and weaknesses of human thinking in attaining truth.