What German-Dutch spectacle-maker associated with Jacob Metius is associated with the invention of the telescope?
Jacob Metius:  He is one of three people associated with the invention of the telescope, the other two being Hans Lippershey and Zacharias Janssen. Hans Lippershey: Hans Lippershey (1570 – buried 29 September 1619), also known as Johann Lippershey or Lipperhey, was a German-Dutch spectacle-maker.
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