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
Jacob Bording (1544-1584) married the theologian and composer, Lucas Bacmeister (1530-1608). Jacob Bording Jacob Bording (15 July 1511 - 5 September 1560) was a Flemish medical doctor and personal physician (""Leibarzt""). Jacob (Nikolaus) Bording was the son of the Antwerp merchant Nikolaus Bording (1449–1520). His mother, born Adriane d’Adriani, was a daughter of an influential family from Utrecht. Her uncle, Adriaen Floriszoon Boeiens, later became (briefly) Pope Hadrian VI, the first and till now last pope from what subsequently became known as The Netherlands. After concluding his schooling in Antwerp he moved on to study classical languages at Leuven/Louvain. In 1530 he