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Aristotle invented the field of formal logic around 330 B.C
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Jansen invented the compund microscope that observing cells for the cell theory.
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Jan Baptist van Helmont discovered photosynthesis in the 1600's
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Hooke discoverd plant cells and also name them.
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He invented a microscope that contained lenses that could magnify objects 300 or 270.
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He elaborated Wolfgang von Goethe’s theory that the vertebrate skull formed gradually from the fusion of vertebrae.
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Brown discoverd the nucleus of a cell and created the Brownian Motion.
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Theodore Schwann developed the cell theory to animals and discovered all tissues are made of cells.
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Schleiden was a co-founder of cell theory. He defined the cell as the basic unit of plant structure, and a year later Schwann defined the cell as the basic unit of animal structure.
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He discovered through the help of powerful microscopes that the sperm and egg were composed of cells and that humans are formed of cells from beginning to end.
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Virchow discoverd cells originated from cells.
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Pasteur invented pasteuriztion.
