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Hans and Zacharias Janssen
The inventors of the microscope. -
Robert Hooke
Discovered cells first using the microscope. -
Antonie Von Leeuwenhoek
First to observe and describe single cell organisms. -
Mathias Shleiden
First created the cell theory and discovered plants were made of cells -
Theodor Schwann
Discovered that animals were made of cells too and proposed that all organisms are made of cells -
Louis Pasteur
Proved that spontaneous generation was incorrect.