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Jan 1, 1100
First Pair Of Glasses
Salvin D'Armate made the first pair of glasses allowing the wearer to have a magnification from one eye. -
First Compound Microscope
Zacharias Jansen created the first compound 2 lens microscope. It onlt had a maximum magnification of 9x. -
Plant Growth
Jan Baptist Van Helmont concluded that plants dont grow from eating the soil but from drinking the water. -
The Law Of Elasticity
Robert Hooke discovered the law of elasticity which states that the streching of a solid body is proportional to the force applied to it. -
First Observation Of Bacteria
AntonVan Leeuwenwhoek observed bacteria and protozoa for the first time which he extracted from rain water, pond water, and well water. -
Origin Of Organic Beings
Lorenz Oken determined that all organic beings originate from and consist of cells. -
The Discovery Of The Nucleus
Robert Brown noted a structure within plant cells that he called the nucleus. -
Cell Theory
Matthias Schleiden watched the production of new cells which he concluded were prophagates from the nuclei of old cells. -
Cell Theory Extended
Theodor Schwann extended the theory in which he said that every living thing is composed of cells. -
All Cells Come From Another Cell
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. -
Dirty Instuments
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.