Telescope earliest existing record of a telescope was a 1608 patent submitted to the government in the Netherlands by Middelburg spectacle maker Hans Lippershey for a refracting telescope. The actual inventor is unknown but word of it spread through Europe. [[Galileo Galilei|Galileo]] heard about it and, in 1609, built his own version, and made his telescopic observations of celestial objects. The idea that the [[Objective (optics)|objective]], or light-gathering element, could be a mirror instead of a lens was being investigated soon after the invention of the refracting telescope. The potential advantages of using [[parabolic reflector|parabolic mirrors]]—reduction of [[spherical aberration]] and no
Zacharias Heyns he opened a publishing company located behind what is now the Vrouwenhuis. It is there where he wrote an account of the 1609 international rhetoric contest in Haarlem for Trou moet Blycken. In 1615 and 1616 he wrote poetry for the Schiedam chamber of rhetoric called "De Roode Rosen", and in 1625 he published his poetry in an emblem book which became popular. He died in Zwolle. Zacharias Heyns Zacharias Heyns (1566 – 1630) was a Netherlands printer and engraver from the Northern Netherlands. Heyns was born in Antwerp as the son of the schoolmaster Peeter Heyns, who was known