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Salvin D'Armate made the first pair of glasses allowing the wearer to have a magnification from one eye.
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Zacharias Jansen created the first compound 2 lens microscope. It onlt had a maximum magnification of 9x.
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Jan Baptist Van Helmont concluded that plants dont grow from eating the soil but from drinking the water.
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Robert Hooke discovered the law of elasticity which states that the streching of a solid body is proportional to the force applied to it.
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AntonVan Leeuwenwhoek observed bacteria and protozoa for the first time which he extracted from rain water, pond water, and well water.
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Lorenz Oken determined that all organic beings originate from and consist of cells.
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Robert Brown noted a structure within plant cells that he called the nucleus.
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Matthias Schleiden watched the production of new cells which he concluded were prophagates from the nuclei of old cells.
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Theodor Schwann extended the theory in which he said that every living thing is composed of cells.
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Rudolph Virchow said that every cell comes from another existing cell.He also stated that a whole organism will not get sick just certain cell or group of cells.
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louis Pasteur tried to convince surgeons that using dirty and used instuments would soread germs and disease. He also said that their hands were spreading germs.
