1. CELL THEORY

2. Kandinsky “Colorful Ensemble”
inspired by:
invertebrate sea creatures
microorganisms
embryological forms

3. Cajal

4. Microscopes Anton von Leeuwenhoek (1632-1723)
first to use microscopes to view living things

5. Leeuwenhoek’s scope
He looked at bacteria, protists, sperm cells, blood, nematodes, and rotifers.
Little “animacules”

6. Robert Hooke ( )
His microscope
His handsome face

7. First to coin the term “cells”
Hooke saw:
Cork “Cells”
First to coin the term “cells”

8. Theodor Schwann ( )
Animals were also made of cells

9. Robert Brown ( )
Discovered the nucleus

10. Matthias Schleiden (1804-1881)
Cell’s nucleus played a role in reproduction

11. Rudolf Virchow ( )
Born in Pomerania
Animal and plant cells are produced only by the division of cells that already exist

12. Cell Theory
All living things are composed of cells
Cells are the smallest working units of living things
All cells come from preexisting cells by cell division