-
The first microscope was a compound microscope and was invented by Hans and Zacharias Janssen. It later contributed to important scientific discoveries and was further developed.
-
While observing cork under a compound microscope, Robert Hooke discovered small compartments that looked like monk cells. Therefore, called his discovery "cells".
-
Antony van Leowenhoek discovered that the algae cells he was observing actually moved. He called them "animalcules", which means "living animals". Also, it is assumed that he saw bacteria.
-
Matthias Schleiden found that all plants are composed of cells
-
Theodor Schwann and Matthias Schleiden stated that living cells are the basic unit of all life.
-
Rudolph Virchow completed the classical cell theory by stating that all cells come from preexisting cells.
