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
Hans Jacob Hess with his wife, who was imprisoned for 63 weeks, contracted tuberculosis (then known as consumption), and died. His property was seized and sold for 4,000 guilders (approximately $800,000 in modern US dollars). None of the money was restored to his descendants. Hans Jacob Hess John Jacob Hess (German: Hans Jacob Hess) (May 17, 1584 – 1639) was a Swiss-German Anabaptist minister and martyr. John Jacob Hess was born in Wald, Zurich, Switzerland on May 17, 1584 to Hans Heinrich Hess, a bailiff, (1534–1587) and Adelheid Kuntz (1546–1585). He had eight older full siblings: Margaretha, Christian, Matheus, Hans, Elsy, Margaretha, Heinrich,