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1590
Zaccharias Janssen and his son Hans was experimenting with 2 lenses and figured out how to make a compound microscope. A compound microscope is one that has two sets of lenses. -
1665
Robert Hooke used a crude microscope to observe a thin slice of cork and named what he saw cells. Hooke’s
microscope had three lenses but they were of very poor quility and he could see very little detail. -
1674
Leeuwenhoek the Dutch merchant polished lenses of 300 times magnafacation. -
1674
He described bacteria, yeasts and the circulation of blood. -
1674
He was called The Father of Microscopy of his great discoveries. He also made 240 different microscopes.