Cell Theory Timeline

  • Hans and Zacharias Janssen

    Hans and Zacharias Janssen
    The father and son duo Hans and Zacharias Janssen created the first microscope which consisted of two lens
  • Robert Hooke

    Robert Hooke
    An English scientist studied a piece of cork through a microscope to find little room-like structures that he called cells. They reminded him of the "cells" in a monestary.
  • Anton van Leeuwenhoek

    Anton van Leeuwenhoek
    A Dutch amatuer scientist looked at blood, rainwater, and dental scrapings to find bacteria that he named 'animalcules'.
  • Matthias Schleiden

    Matthias Schleiden
    German botanist who studied plants and discovered all plants were made of cells.
  • Theodor Schwann

    Theodor Schwann
    Zoologist from Germany who viewed animal parts under a microscope then discovered all animals are made up of cells.
  • Rudolph Virchow

    Rudolph Virchow
    He was a German physician who said all living cells come from other living cells.