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History of the microscope
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Zaccharia Janssen
Zaccharia Janssen and Hans Janssen discovered simple compound microscope. -
Robert Hooke
Robert Hooke used a crude microscope and observed thin slice cork microscope. He was the first one to use the phrase 'cell' for the smallest life units. -
Anton van Leeuwenheok
Anton van Leeuwenheok experimented and built a simple microscope with one lens, he upgraded the microscope.