Cell Theory History

Events

Zacharias Janssen

1590

• Invented the first compound microscope

1590

• Saw tiny chambers and coined the term ‘cell’

1665

Robert Hooke

1665

• Used light microscope to look at thin slices of plant tissue (cork)

1665

• First to see living microscopic organisms (in pond water)

1673

• Termed these microorganisms ‘animalcules’

1673

Anton van Leeuwenhoek

1673

Matthias Schleiden

1838

• Concluded that: “All living plants are made of cells”

1838

• Credited for developing first two tenets of cell theory (with Schwann)

1838