The Discovery of Circulation

  • 200

    start point - Galen

    start point - Galen
    Doctor in Rome - Said blood passes through the septum, and the heart pumps it to the muscles, where it is burned up.
  • Jan 1, 1250

    Nafis

    Nafis
    Persian doctor - Said blood does not go through the septum, and is pumped past the lungs.
  • Jan 1, 1519

    Leonardo da Vinci

    Leonardo da Vinci
    Artist - Made detailed drawings of the anatomy of the heart.
  • Jan 1, 1543

    Vesalius

    Vesalius
    Professor at Padua - Said blood does not pass through the septum.
  • Jan 1, 1553

    Servetus

    Italian preacher - Said blood does go through the septum, and is pumped past the lungs.
  • Jan 1, 1559

    Columbo

    Professor at Padua - Said blood does not go through the septum, and is pumped past the lungs.
  • Mar 10, 1571

    Caesalpino

    Professor at Pisa - First used the word 'circulation' in relation to blood, but could not explain the process.
  • Fabricius

    Professor at Padua - Discovered valves in the veins only allow the blood to go one way.
  • William Harvey - End point

    William Harvey - End point
    London doctor - Proved that blood circulates round the body, and described how it happened.