The Cell Theory

Events

The first microscope

1590

Zacharias Jansen was a Dutch spectade-maker who invented the first micro scope. His microscope had 3 draw tubes with lenses at the ends. You use this micro scope by sliding the draw tube in or out while looking at the sample.

Anton Van Leeuwenhoek's Microscope

1632

Anton Van Leeuwenhoek was a tradesman and a scientist. The microscope had powerful magnifying glasses. I f you compare our microscope to his, Anton Van Leeuwenhoek microscope is simple.

Robert Hook

1665

Robert Hook discovered that we were made of cells. He looked at a cork and saw walls and called them cells.

Theodor Schwann

1838

Theordor Schwann said that plants have the same structure and also that new cells come from old cells.

Matthias Schleiden

1838

Matthias Schleiden discovered that plants have cells

Rudolph Virchow

1855

Virchow said that all cells come from other cells.