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What was the cell contribution with hans and zacharias janssen when was the date it happened?
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What was the cell contribution with hans and zacharias janssen when was the date it happened?

User Izzo
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They were 2 dutch spectacle-makers who invented the first microscope, which allowed the visualization of the cell, and later its structures in or around 1595, although this is a matter of discussion up until this day
User Amnesh Goel
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