Chief Men of Science among the Greeks* 



B.C. 



Thales . . . About 640. 

 Anaximander . . . 610. 

 Pythagoras .... 500. 

 Anaxagoras .... 499. 

 Democritus .... 459. 

 Hippocrates .... 420. 

 Eudoxus .... 406. 

 Aristotle .... 384. 

 Theophrastus . . . 371. 

 Aristarchus . . . .350. 



Euclid 300. 



Archimedes . . . .287. 

 Erasistratus ? 



Herophilus ? 



Eratosthenes . . .276. 



Hipparchus . . . .160. 



Strabo 50 to A.D. 18. 



Ptolemy 70. 



Galen 131. 



