The Cell Theory

Hans and Zacharias Jennsen

Sep 17, 1590

Sometime during the 1590's Hans and Zacharias Jennsen produced the first compound microscope.

Robert Hooke

Sep 17, 1665

Sometime during 1665 Robert Hooke was the first person to call the small spaces he saw in cork cells.

Anton van Leeuwenhook

Sep 17, 1680

Sometime during the 1680's Anton van Leeuwenhook discovered bacteria and was the first to find living cells.

Matthias Schleiden

Sep 17, 1838

Sometime during 1838 Matthias Schleiden discovers that all plants are made of cells,

Theodor Schwann

Sep 17, 1839

Sometime during 1839 Theodor Schwann discovered that animals are made of cells.

Rudolph Virchow

Sep 17, 1855

Sometime during 1855 Rudolph Virchow states that all living cells cme from another living cell.