Pre-Socratics to Aristotle
  
     Post Aristotle to Medieval
  
     Early Modern to 18th Century
  
     19th Century
  
     20th Century
  
     Contemporary Philosophers
       
     Text Collections
  
     
    
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	- Thales (62?-546 BCE)
 
	- DP,
	IE, 
	E, 
W
 
	
	
  
	- Anaximander (610-546 BCE)
 
	- DP,
	IE, 
	E, 
	W
 
	
	
  
	- Anaximenes (528 BCE) 
 
	- DP,
	IE, 
	E, 
	W
 
	
	
  
	- Xenophanes of Colophon (570-475 BCE)
 
	- DP,
	IE, 
	E,
	SE, 
	W
 
	
	
  
	- Heraclitus (540-475 BCE) 
 
	- DP,
	IE, 
	E, 
	W
 
	
	
  
	- Parmenides (510 BCE) 
 
	- DP,
	IE, 
	E, 
	W
 
	
	
  
	- Zeno of Elea(c. 450 BCE) 
 
	- DP,
	IE, 
	E,
	SE, 
	W
 
	
	
  
	- Melissus of Samos
 
	- E, 
	W
 
	
	
  
	- Empedocles (fl. 450 BCE) 
 
	- DP,
	IE, 
	E, 
	W
 
	
	
  
	- Anaxagoras (500-428 BCE) 
 
	- DP,
	IE, 
	E, 
	W
 
	
	
  
	- Leucippus (5th Century BCE) 
 
	- DP,
	IE, 
	E,
	SE, 
	W
 
	
 
  
	- Democritus (460-370 BCE) 
 
	- DP,
	IE, 
	E,
	SE, 
	W
 
	
	
  
	- Pythagoras (c. 530 BCE) 
 
	- DP,
	IE, 
	E, 
	W
 
	
	
  
	- Protagoras of Abdera (c. 490 - c. 420 BCE) 
 
	- DP,
	IE, 
	E, 
	W
 
	
	
  
	- Gorgias (483-378) 
 
	- IE,
	E,
	W, 
	Sunysuffolk.edu
 
	
	
  
	- Socrates (469-399 BCE) 
 
	- DP,
	E,
	W, 
	Socratesway.com
 
	
  
	- Plato (428/7 - 348/7 BCE) 
 
	- DP,
	IE, 
	E,
	SE,
	W
	Platonica,
	Plato-dialogues.org
	
  
	- Aristotle (384-322 BCE) 
 
	- DP,
        IE, 
	E,
	SE, 
	W
	
 
 
    
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