science timeline,mikayla

  • Anton van leeuwenhoek

    Anton van leeuwenhoek
    Anton van leewenhoek,was a Dutch tradesman and scientist. He is commonly known as "the Father of Microbiology", and considered to be the first microbiologist. He is best known for his work on the improvement of the microscope and for his contributions towards the establishment of microbiology.
  • Robert Hooke

    Robert Hooke
    He built some of the earliest Gregorian telescopes and observed the rotations of Mars and Jupiter. In 1665 he inspired the use of microscopes for scientific exploration with his book, Micrographia. Based on his microscopic observations of fossils, Hooke was an early proponent of biological evolution.He investigated the phenomenon of refraction, deducing the wave theory of light, and was the first to suggest that matter expands when heated and that air is made of small particles separated
  • Matthias Jakob Shleiden

    Matthias Jakob Shleiden
    Matthais jakob Shleiden, was a scientist who study plants and he preferred to use a microscope to study plants. In 1883 he suggested all plants are made of cells. One year after Shleiden propsoed his theory, Schwann suggested that animals, and not just plants, were made up of cells. Their ideas, Schleiden and Schwann are credited with developing the cell theory.
  • Karl Theodor Ernst Von Siebold

    Karl Theodor Ernst Von Siebold
    Karl Suggested that microbes were also made up of cells or more. He was right about microbes being living creatures made up of the same material as animals and plants.
  • Theodor Schwann

    Theodor Schwann
    Theodor Schwann was a scientist that spent time studying animals and their digestive system.
  • ignaz Philipp Semmelweiss

    ignaz Philipp Semmelweiss
    Igzan Philipp semmelweiss was a doctor working in Austria and was trying to pervent young woman from dying. He noticed that many pregnant woman were examined by doctors who had just completed an autopsy. He eventually suffred a mental breakdown and died soon after.
  • Florence Nightingale

    Florence  Nightingale
    Florence Nightingale, was an English nurse that published he ideas on diseases in 1860. The idea that cleanliness was important in preventing disease was not a common one. Her efforts improved sanitary practices in military hospitls and led to fewer soldiers from dying.
  • Rudolf Carl Virchow

    Rudolf Carl Virchow
    Rudolf Carl Virchow Had been treating and studying ill patients for many years. He is famous for saying "all cells arise from cells". All living organisms begin as a single cell. He thought all the diseases are caused by cells that do not work properly.
  • Louis pastuer

    Louis pastuer
    French chemist, began studying microbes in 1864. He noticed that certian microbes could cause food and drinks to spoil. Today
    , Because of his work , milk is heated to 71 C for 15 seconds to kill the microbe that causes tuberculosis. When he recommended that the worms and their food be destroyed, the silk industry was saved.
  • Robert Koch

    Robert Koch
    Robert Koch , is a German doctor, identified the microbe that caused anthraz. He injected another group of healthy mice with blood taken from healthy farm animals. None of the other group of mice develeoped anthrax. In this way, Koch was able to provide sceintific evidence that the anthraz microbe caused anthrax.
  • William Stewart Halsted

    William Stewart Halsted
    In 1890 Halsted bcame one of the first surgeons to use rubber gloves during surgery. !931, the Germ theory of disease had become so accepted that ads for a disposable tissue read: " A new era in handkerchief hygiene! Use once and discard--- avoiding self-infection from germ filled handkerchiefs.
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  • Joseph Lister

    Lister had been concerned about high death rates of patients following surger. He began using an antiseptic to clean surgicak instruments. he also sprayed the air and required hand washing and clean aprons. Deaths dropped 15%