The History of the Cell Theory

Events

Invention Of the Microscope

1590

Dr. Janssen and his father were Dutch eye glass makers who invented the microscope.

Cell name creation

1665

Robert Hooke named cells after seeing rectangular cells in cork.

Discovery of Bacteria

1676

Anton Van Leeuwenhuek Discovered Bacteria and made one of the first compound microsopes

Plants have cells

1838

In 1838 Mathias Schleiden concluded that all plants have cells.

All tissue have cells

1839

In 1839, Theodor Schwann Concluded that all tissue have cells.

All cells come from preexisting cells

1855

In 1855, Rudolph Virchow said that All cells are made from preexisting cells.

Conclusion of the Cell Theory

1857

The Cell Theory was developed:
1. All living things have cells
2. Cells are the basic unit of structure and function of living things
3. All cells are made from other cells