Guan Zhong (or Kuan Tzu or Kwan Chung or Guanzi) (740-645 BC) Guiguzi H Han Fei, (d. 233 BC) Hecato of Rhodes, (135-50 BC) Hegesias of Cyrene, (c. 300 BC) Heraclides Ponticus, (387-312 BC) Heraclitus of Ephesus, (ca. 535-475 BC) Hicetas, (400-335 BC) Hipparchia of Maroneia, (4th century BC) Hippasus, (c. 500 BC) Hippias, (5th century BC) Hippocrates, (460-380 BC) Hsu Hsing, (c. 300 BC) Huai Nun Tzu (or Huainanzi or Liu An), (179-122 BC) Hui Shi, (4th century BC) I Isocrates, (436-338 BC) J Jaimini, (c. 3rd century BC) K Kapila, (c. 6th century BC) Kanada, (c. 2nd century BC) L Lao Zi (or Lao Tzu), (4th century BC) Leucippus, (5th century BC) Li Kui (455 BC-395 BC) Li Si, (c. 280-208 BC) Liezi (or Lieh Tzu), (c. 440 BC-c. 360 BC) Lu Ban (507-440 BC) Lucretius, (c. 99-55 BC) M Mahavira, (599-527 BC) Makkhali Gosala ,(6th century BC) Melissus of Samos, (late 5th century BC) Mencius (or Meng K'o or Meng-tzu or Mengzi), (372-289 BC) Markandeya , (c.1000BCE) Menedemus, (c. 350-278 BC) Maitreyi (8th century BCE) Metrocles, (c. 300 BC) Metrodorus of Lampsacus (the elder), (5th century BC) Metrodorus of Chios, (4th century BC) Metrodorus of Lampsacus (the younger), (331-278 BC) Metrodorus of Stratonicea, (late 2nd century BC) Mozi (or Mo Tzu, or Mo Ti, or Micius), (c. 470-c. 390 BC) N Nagasena (born 150 BC) O Ostanes, Iranian alchemist mage P Parshvanatha,(8th century BC) Panaetius, (c. 185-c. 110 BC) Pāṇini, (c. 600-500 BC) Parashara (c.1200 BCE) Parmenides, (5th century BC) Pañcaśikha (6th century BCE) Parshva, (c. 877-777 BC) Patañjali, (2nd century BC) Payasi (6th century BCE) Pippalada,(6th Century BC) Pherecydes of Syros, (6th century BC) Philo Judaeus of Alexandria, (20 BC-AD 40) Philo of Larissa, (1st century BC)* Philo the Dialectician, (c. 300 BC) Philodemus of Gadara, (1st century BC)* Philolaus of Croton, (c. 480-c. 405 BC) Pingala, (c. 4th century BC) Plato, (c. 427 BC-c. 347 BC) Polyaenus of Lampsacus, (died 278 BC) Posidonius, (c. 135-51 BC) Prodicus, (c. 450-399 BC) Protagoras, (c. 481-420 BC) Purana Kassapa (6th century BCE) Pakudha Kaccayana (6th century BCE) Pyrrho, (c. 360-c. 270 BC) Pythagoras, (c. 570 BC- c. 495 BC) Q R S Śāriputra (6th century BCE) Seneca the Younger, (c. 4 BC-AD 65) Shang Yang (or Gongsun Yang), (d. 338 BC) Shvetaketu,(9th century BCE) Shen Buhai, (d. 337 BC) Shen Dao (or Shen Tzu), (c. 350-275 BC) Shvetashvatara,