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