Timeline

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    Timeline

    Observed cork cells.
  • Robert Hooke

    Robert Hooke
    He observed Cork Cells using the Microscope. Antoni van Leeuwenhoek helped support his theory by making the Microscpe a better piece of equitment.
  • Antoni van Leeuwenhook

    Antoni van Leeuwenhook
    In 1678, Antoni van Leeuwenhook reported that he had observed "little animals" through a microscope. And Robert Hooke supported his theory.
  • Matthias Schleiden

    Matthias Schleiden
    Schleiden was the first to recognize that all plants, and all the different parts of plants, are composed of cells. Theodor Schwann helped his theory.
  • Theodor Schwann

    Theodor Schwann
    Theodor Schwann saw how plants and animals grow. Then lady published "Microscopic Investigations on the Accordance in the Structure and Growth of Plants and Animals," which said "All living things are made up of cells."
  • Rudolph Virchow

    Proposed that all living cells must rise from pre-existing cells.
    And thanks to Louis Pasteur, they both concluded that this theory is true.