1. Famous Scientists
Anton van Leeuwenhoek: “father of microscope”; noticed tiny organisms living in pond water
Robert Hooke: named the “cell” after rooms in a monasterty (observed them in cork)
Robert Browne: discovered the nucleus
Mathias Schleiden: stated all plants are made of cells
Theodore Schwann: stated all animals are made of cells
Rudolf Virchow: stated all cells come from other cells

2. Development of the Cell Theory
The scientists on the previous slide, in combination with some others, were responsible for the most important biological theory of modern science:
The cell theory states:
1. all living things are made of cells
2. cells are the basic unit of structure and
function
3. all cells come from existing cells by cell
division