The Cell Theory

Compound Microscope

Nov 13, 1595

Zacharias Jansen creates the first compound microscope.

Animalcules

Apr 21, 1665

Robert hook looks at a cork and finds that it is made of cells but things that they look like tiny animals.

Teeth scrapings

May 16, 1680

Anton Van Leeuwenhoek looks at his teeth through a microscope at his teeth and sees bacteria.

Plants and cells

Jun 21, 1838

Matthias Schleiden discovers that plants are made of cells.

Animals and cells

Jun 9, 1839

Theodor Shwann discovers that animals are made of cells.

Mitosis

Dec 25, 1855

Rudolph Virchow discovers that cells come from other cells.