The Discovery of Circulation

  • 200

    Start point - Galen

    Start point - Galen
    Said blood passes through the septum, and the heart pumps it to the muscles, where it is burned up. This was the main authority for 1,500 years
  • Jan 1, 1250

    Ibn an Nafis

    Ibn an Nafis
    Who? Perian doctor. Said blood does not go through the septum, and is pumped past the lungs.
  • Jan 1, 1519

    Leonardo da Vinci

    Leonardo da Vinci
    Who? Artist. Made detailed drawings of the anatomy of the heart. However his drawings were not discovered until 1850.
  • Jan 1, 1543

    Vesalius

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

    Servatus

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

    Columbo

    Columbo
    Who? Professor at Padua. Said blood does not go through the septum, and is pumped past the lungs. William Harvey read his book.
  • Jan 1, 1571

    Caesalpino

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

    Fabricius
    Who? Professor at Padua. He was William Harvey's teacher at university. Discovered valves in the veins only allow the blood to go one way.
  • William Harvey - End point

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