Cell Theory Timeline Project

  • Robert Hooke

    Robert Hooke
    discovered honeycomb like structure in a cork slice using a primitive microscope
  • Aton van Leewenhoek

    Aton van Leewenhoek
    discovered the first protozoa and bacteria
  • Robert Browne

    Robert Browne
    discovered a nucleus in plant cells
  • Matthias Jacob Schleiden

    Matthias Jacob Schleiden
    proposed all plant tissues are made of cells
  • Theodore Schwann

    Theodore Schwann
    proposed that not only did plant tissue have cells, but animal tissue did also
  • Rudolf Virchow

    Rudolf Virchow
    said "omnis cellula e cellula" to a cell develops from another existing cell