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Robert Hooke observes the tiny chambers in corks and names them cells.
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Anton van Leeuwenhoek discovers single-celled organism which are now known as protozoans.
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Matthias Jakob Schleiden discovered that plants were composed of cells.
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Theodor Schwann discovered that cells are also found in animal tissue.
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Albrecht von Roelliker discoveres eggs and sperm are cells.
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Carl Heinrich Braun reworks cell theory and establishes cells are the basic unit of life.
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Rudolph Virchow proposed that all cells are produced from the devision of existing cells.
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Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.