Cell Theory Timeline: Jayson Otts

  • Hans and Zacharias Jansen

    Hans and Zacharias Jansen
    Invented the compound microscope (two lenses within a tube)
  • Robert Hooke

    Robert Hooke
    Saw the 1st cell while looking at a cork tree using a microscope. Gave “cells” their name
  • Francisco Redi

    Francisco Redi
    Used rotten meat to discover cells do NOT spontaneously pop up! Cells come from cells
  • Anton van Leeuvenhoek

    Anton van Leeuvenhoek
    1st scientist to observe one celled organisms (such as bacteria) using pond water & teeth scrapings
  • Mathias Schleidan

    Mathias Schleidan
    Discovered that plant tissues are made of cells. All plants are made of plant cells.
  • Theodore Schwann

    Theodore Schwann
    Discovered that animal tissues are made of cells. All animals are made of animal cells
  • Rudolph Virchow

    Rudolph Virchow
    Observed cells dividing, which led to the 3rd part of the cell theory: “Cells come from pre-existing cells”
  • Francis Crick & James Watson

    Francis Crick & James Watson
    Made the 1st model of DNA, proving genes are hereditary