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Jansen produced the first compound microscope by combining two convex lenses within a tube.
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Hooke discovered the cellular composition of cork and introduced the word "cell" to science.
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Redi disproved the phenenomon of spontaneous generation.
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Leeuwenhoek discovered "animacules" (bacteria).
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Wolff proposed that all organs in animal embreyos were made of globules which could be seen under a microscope.
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Dutrochet stated that all organic tissues are actually globular cells of exceeding smallness, united by simple and adhesive sources.
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Meyen stated that each cell forms an independent, isolated whole it nourishes and builds up itself.
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Brown published his observations reporting the discovery and widespread occurence of nuclei in cells.
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Schleiden discovered that plants were made up of cells.
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Schwann discovered that animals were made up of cells.
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Mohl carefully described details of mitosis in plants.
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Virchow stated that all living things come from other living things.
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Pasteur showed that growth of bacteria is not due to spontaneous generation, but biogenesis-living things come from living things.
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Mendel published his investigations of plant hybrids.
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Schneider observed an described chromosomes during cell division.
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- All organisms are composed of one or more cells.
- The cell is the basic unit of structure and organization in organisms.
- All cells come from preexisting cells.
