Zacharias Janssen | |
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![]() Zacharias Janssen | |
Born | 1585 (1580) |
Died | Given as before 1632 (sometimes 1638) |
Nationality | Dutch |
Other names | Zacharias Janssen, Sacharias Jansen |
Occupation | Spectacle-maker (sometimes counterfeiter) |
Known for | Possible inventor of the microscope and the telescope (posthumous claim) |
Parents |
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Zacharias Janssen; also Zacharias Jansen or Sacharias Jansen; 1585 – pre-1632[1]) was a Dutch spectacle-maker who lived most of his life in Middelburg. He is associated with the invention of the first optical telescope and/or the first truly compound microscope, but these claims (made 20 years after his death) may be fabrications put forward by his son.
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