Cell Theory

Cell Theory

  • All living things are composed of cells
  • Cells are the basic unit of structure and function in living things
  • Cells come from other cells

Cell Theory Timeline:

  • 1665 - Robert Hooke: coined the term cell when he looked at cork under a microscope and saw the empty spaces.
  • 1670 - Anton van Leeuwenhoek: first too see living cells called them little animals
  • 1838 - Matthias Schleiden: stated that all plants are composed of c ells
  • 1839 - Theodor Schwann: stated that all animals are composed of cells
  • 1855 - Rudolph Virchow: found that all cells come from other cells