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Zacharias Janssen
First compound microscope -
Robert Hooke
England, Robert Hooke of England looks through a microscope at a sliver of cork. He notices what he calls cells or pores. He believes the cells contained the noble juices or fibrous threads of the tree when it was alive. He is the first person to use the word cellto describe microscopic structures. -
Anton Van Leeuwenhoek
holland, Observed many Organisms through microscope inculding blood cells, bacteria, ect. Then made carful sketches of what he observed -
Matthias Schleiden, Theodore Schwann
German, Matthias Schleiden and Theodor Schwann create cell theory. The theory states that all living things are made up of one or more cells. Schleiden publishes his cell theory applying it to plants, while Schwann publishes his applied to animals. Theodor Schwann discovers special cells that form a sheath around nerve axons. They are now called Schwann cells. He conducts experiments to help disprove spontaneous generation once and for all. -
Rudolph Virchow
Rudolf Virchow writes and publishes his aphorism omnis cellula e cellula, which means every cell stems from another cell. He theorizes that all forms of disease come from changes in normal cells. Robert Remak discovers a method to isolate the membrane of the cell and proves that it divides a cell.
