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brothers Hans and Zacharias Jenssen develope the first compound microscope
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Robert Hooke took a look at cork under the microscope and describes what he sees using the word cells
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Van Leeuwenhoek improved the microscope and saw bacteria and living cells 300 times bigger than they actually were.
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Schleiden proposed that all plants are made of cells
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Theodor Schwann proposes that all animals are also made of cells
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Virchow says all cells come from other living cells. It is said that he plagiarized this from another less famous scientist
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.