Answer:
Zacharias Janssen;
Explanation:
Zacharias Janssen; also Zacharias Jansen or Sacharias Jansen; 1585 – pre-1632 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 may be fabrications put forward by his son
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