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Hans/Zacharias Jansenn
Earliest date of a claimed of the compound microscope -
Hans/Zacharias Jansenn
Earliest date of a claimed Hans/Zacharias Janssen invention of the compound microscope. -
Robert Hooke
He publishes Micrographia, a collection of biological micrographs. The word cell was coined. -
Anton van Leeuwenhoek
Improvement on a simple microscope for viewing biological specimens. -
Matthias Schleiden
He concluded that all plant tissues are composed of cells. He declared that the cell is the basic building block of all plant matter. -
Theodore Schwann
Coinage of the term "metabolism". It is the processes that occur within a living organism in order to maintain a state of life. -
Rudolph Virchow
Virchow has several important discoveries. His most widely known scientific contribution is his cell theory, which was based on Schwann's work.