G-M

1. Galen and Hippocrates
2. Hanno (2)
3. Heraclitus
4. Heraclitus (2)
5. Hypatia
6. Hypatia of Alexandria
7. Julian the Apostate

Hypatia (355 or 370 - 415/416 A.D.)
Hypatia of Alexandria was a famous philosopher of Egypt who ran into trouble with the Christian Church.

Galen
Galen, a Greek doctor, was a prolific writer who wrote on medicine and philosophy.

Heraclitus
Heraclitus was an elitist philosopher from Ephesus who is known for his philosophy of flux.

Hippocrates
Hippocrates was a Greek doctor who looked for medical rather than religious reasons for ailments.

Hippocratic Corpus

Lao-Tse
Chinese philosopher and one of the possible founders of Taoism, Lao-Tse was a contemporary of another famous Chinese philosopher, Kung Fu Tse (Confucius). Here you'll find his Te Tao Ching translated into English.

Leucippus
Leucippus was one of the Pre-Socratic philosophers who developed the atomist theory. He worked with Democritus of Abdera as either his colleague or teacher.

Meditations
The Meditations are philosophical writing by Emperor Marcus Aurelius.

Musonius Rufus
Glossary entry on Musonius Rufus.