What German-Dutch spectacle-maker associated with Jacob Metius is associated with the invention of the telescope?
Jacob Metius: Jacob (Jacobus; sometimes James) Metius (after 1571–1624/1631) was a Dutch instrument-maker and a specialist in grinding lenses. Hans Lippershey: Hans Lippershey (1570 – buried 29 September 1619), also known as Johann Lippershey or Lipperhey, was a German-Dutch spectacle-maker.
i don't know