Historical Scientists

  • Aug 6, 1553

    Griolamo Fracastoro

    Girolamo Fracastoro is known for stating that diseases were transfered through direct and indirect contact. He also stated that diseases could be spread without contact over a long distance.
  • Francesco Redi

    Francesco Redi was known for proving that spontaneous generation did not exist, and that maggots found on dead animals were hatched from eggs left by flies.
  • Anton van Leeuwenhoek

    Anton van Leeuwenhoek is known for being the first scientist to observe and describe microorganisms.
  • John Needham

    John Needham is known for supprting the Spontaneous Generation theory.
  • Lazarro Spallanzani

    Lazarro Spallanzani was known for being the first to prefrom an In Vtro fertilization, and discovering that mammals need semen and ovum to reproduce.
  • Edward Jenner

    Edward Jenner created the small pox vaccine.
  • Teodor Schwann

    Theodor Schwann was known for discovering Pepsin, which is a digestive enzyme. He also exteneded Matthias Schleiden's cell theory to include animals and all living things.
  • Ignaz Semmelweiss

    Ignaz Semmelweiss created hand washing standards for doctors hadling pregnancies and womens reproductive systems.
  • John Tyndall

    John Tyndall is known for the Tyndall Effect. The Tyndall Effect is used to determine the size and density of particles.
  • John Tyndall

    John Tyndall discovered that water vapor is the most important gas for controlling the Earths temperature.
  • Louis Pasteur

    Louis Pasteur created Pasteuization which slows down the rate a food spoils.
  • Theodor von Dusch

    Theodor von Dusch is known for creating a filter that could remove bacteria from the air.
  • Joseph Lister

    Joseph Lister came up with the idea to use Carbloic acid to sterilize wounds and medical equipment to make surgery safer for patients.
  • Robert Koch

    Robert koch is known for discovering bacteriology and Kochs Postulates
  • Charles Chamberland

    Charles Chamberland is known for creating the Chamberland Filter which completely filtered out bacteria.
  • Louis Pasteur

    Louis Pasteur created vaccines for rabies and anthrax, which has saved countless lives.
  • Oswald T. Avery, Colin M. MacLeod, Maclyn McCarthy

    These scientists discovered that DNA causes bacterial transformation.
  • Aristotle

    Aristotle is known for creating the Scientific Method.