History

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History of Cell Discovery
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Cells are
the basic unit of structure and function in
living things
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Robert Hooke 1635 1703
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Hooke was one of the first people to observe
cells
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He published a book, Micrographia, in 1665. It
had ideas about the life cycle of
mosquitoes origin of craters on the moon fossils
and drawings of microscopic things.
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Thin slices of cork from the cork tree. (tiny
rooms cells) He was really looking at dead
cells what was left was the cell wall.
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Anton van Leeuwenhoek (1632-1723)
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Anton van Leeuwenhoeks simple microscope
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He looked at drops of lake water scrapings from
gums and teeth water in rain gutters He saw tiny
moving organisms and called the wretched
beasties animalcules.
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Bacteria from the mouth
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200 years later
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Matthias Schleiden (1804-1881)

German
botanist 1838
he suggested that
all plants are made of cells
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Theodor Schwann (1810-1882)
German zoologist
1839 suggested that animals,
not just plants are made of cells
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Rudolf Virchow (1821-1902) German
doctor 1855 all cells come from cells
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The work of these last three men led to
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The Cell Theory
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The cell theory states All living things are
made of cells
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The cell theory states Cells are the basic
unit of structure and function in living things
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The cell theory states Living cells only come
from other living cells