Simplify the following text for a Grade 7 native English-speaking person.
Original: Parmenides ( also Parmenides of Elea ) ( Greek : , early 5th century BC ) was an ancient Greek philosopher born in Elea and was the founder of the Eleatic school of philosophy .
Simplified: Parmenides of Elea ( Greek : ; fl . early 5th century BCE ) was an ancient Greek philosopher born in Elea , a Greek city on the southern coast of Italy .