31406
Empedocles was acquainted or connected by friendship with the physicians Pausanias ( his eromenos ) and Acron ; with various Pythagoreans ; and even , it is said , with Parmenides and Anaxagoras .
 Empedocles, Pausanias, Acron, Pythagoreans, Parmenides, Anaxagoras
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Empedocles, Pausanias, Acron, Pythagoreans, Parmenides, Anaxagoras