katelyn and tristan

  • Hans and Zacharias Janssen

    Hans and Zacharias Janssen
    Hans and Zacharias made the first working compound telescope. They made it by combining two convex lenses.
  • Robert Hooke

    Robert Hooke
    Robert Hooke looked at corck under his mocroscope. He saw cells and callled then cells because it reminded him of the cell rooms that the monks slept in.
  • Anton Van Leeuwenhoek

    Anton Van Leeuwenhoek
    Anton Van was a Dutch fabric merchant and amatuer scientist. He observed living cells and called them animalcules, this is because the cells reminded him of tiny animals.
  • Matthias Schleiden

    Matthias Schleiden
    Matthias is a German botanist, he studied plants. He then realized all plants have plant cells.
  • Theodor Schwann

    Theodor Schwann
    Theodor was a Germen zoologist and studied some animal parts. He soon came up with the idea that all animal parts are made up of cells.
  • Rudolph Virchow

    Rudolph Virchow
    He was a german physician.The said that all living thing come from other living things.