Erasistratus
(ca. 290 BC)


Galen
(131~201 AD)

  • A person of the Roman era.

  • He emphasized anatomy as the foundation of medicine.

  • By this time, dissection of the human body was no longer permitted, so he dissected monkeys and pigs to study the structure and physiological functions of animal bodies.

  • He introduced the method of experimental proof into Greek medicine.

  • The theories of Galen, who systematized Greek medicine, were not overturned until the rise of the Renaissance in the 16th and 17th centuries.