CHRONOLOGY.
| (APPROXIMATE IN SOME CASES.) | |
| B.C. | |
| 624-547 | Thales |
| 572-497 | Pythagoras |
| 500-428 | Anaxagoras |
| 470-400 | Hippocrates of Chios |
| Hippias of Elis | |
| 470-380 | Democritus |
| 460-385 | Theodorus of Cyrene |
| 430-360 | Archytas of Taras (Tarentum) |
| 427-347 | Plato |
| 415-369 | Theætetus |
| 408-355 | Eudoxus of Cnidos |
| fl. about 350 | Leon |
| Menæchmus | |
| Dinostratus | |
| Theudius | |
| fl. 300 | Euclid |
| 310-230 | Aristarchus of Samos |
| 287-212 | Archimedes |
| 284-203 | Eratosthenes |
| 265-190 | Apollonius of Perga |