1The Ancient World

• Who was Hippocrates and what did he do?


  He came up with:

  • The Four Humours Theory.
  • Hippocratic oath.
  • Clinical observation.
• Who was Galen and what did he do?


  He came up:

  • The theory of the opposites
  • He supported Hippocrates theory of the four humours
  • He thought blood was absorbed by the body (instead of being pumped)