Download Cell Theory

Robert Hooke
• 1665
• 3 lens compound
microscope
• Observed slices of cork
• Coined the term “cells”
Robert Hooke
Microscope Used
Cells in Cork
Anton van Leeuwenhoek
• 1674
• Dutch tradesman
• Developed new ways to
make lenses
• “Animacules” in pond
water
Matthias Schleiden
• 1838
• Studied plant tissue
• Concluded plants made
of cells
Theodor Schwann
•
•
•
•
1839
Friend of Scheliden
Studied animal tissue
All living things are
made of cells
Rudolf Virchow
• 1855
• Cells form
spontaneously: FreeCell Formation
• Cells come from other
cells
Modern Cell Theory
• All organisms are made of cells
• All existing cells are produced by other living
cells
• The cell is the most basic unit of life
References
• Nowicki, Stephen. (2008). Biology. Canada:
McDougal Littell.
• VisionLearning, Inc. (2010). Cells: Discovery and
Basic Structure. Retrieved June 30, 2010.
http://www.visionlearning.com/library/module_v
iewer.php?mid=64&l=
• All images taken from www.Wikipedia.org
• All names linked to biographies at
www.Wikipedia.org