Hans Lippershey
Encyclopedia
Hans Lippershey also known as Johann Lippershey or Lipperhey, was a German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

-Dutch
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 lensmaker
Lens (optics)
A lens is an optical device with perfect or approximate axial symmetry which transmits and refracts light, converging or diverging the beam. A simple lens consists of a single optical element...

 commonly associated with the invention of the telescope
Telescope
A telescope is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation . The first known practical telescopes were invented in the Netherlands at the beginning of the 1600s , using glass lenses...

, although it is unclear if he was the first to build one.

Biography

Hans Lippershey was born in Wesel
Wesel
Wesel is a city in North Rhine-Westphalia, Germany. It is the capital of the Wesel district.-Division of the town:Suburbs of Wesel include Lackhausen, Obrighoven, Ginderich, Feldmark,Fusternberg, Büderich, Flüren and Blumenkamp.-History:...

, in western Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, in 1570. He settled in Middelburg
Middelburg
Middelburg is a municipality and a city in the south-western Netherlands and the capital of the province of Zeeland. It is situated in the Midden-Zeeland region. It has a population of about 48,000.- History of Middelburg :...

, the capital of the province of Zeeland
Zeeland
Zeeland , also called Zealand in English, is the westernmost province of the Netherlands. The province, located in the south-west of the country, consists of a number of islands and a strip bordering Belgium. Its capital is Middelburg. With a population of about 380,000, its area is about...

 in the Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

, in 1594, married the same year and became a citizen of Zeeland in 1602. During that time he became a master lens grinder and spectacle
Glasses
Glasses, also known as eyeglasses , spectacles or simply specs , are frames bearing lenses worn in front of the eyes. They are normally used for vision correction or eye protection. Safety glasses are a kind of eye protection against flying debris or against visible and near visible light or...

 maker and established a shop. He remained in Middelburg until his death in September 1619.

Invention of the telescope

Hans Lippershey is generally credited with the earliest recorded design for an optical telescope
Optical telescope
An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for making a photograph, or collecting data through electronic image sensors....

 (a refracting telescope
Refracting telescope
A refracting or refractor telescope is a type of optical telescope that uses a lens as its objective to form an image . The refracting telescope design was originally used in spy glasses and astronomical telescopes but is also used for long focus camera lenses...

) in 1608, although it is unclear if he invented it. His work with optical devices grew out of his work as a spectacle maker, an industry that had started in Venice and Florence in the thirteenth century, and later expanded to the Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 and Germany. Lippershey may have made this discovery on his own although there are many stories as to how Lippershey came by his invention. One version has Lippershey observing two children playing with lenses
Lens (optics)
A lens is an optical device with perfect or approximate axial symmetry which transmits and refracts light, converging or diverging the beam. A simple lens consists of a single optical element...

 in his shop and commenting how they could make a far away weather-vane
Weather vane
A weather vane is an instrument for showing the direction of the wind. They are typically used as an architectural ornament to the highest point of a building....

 seem closer when looking at it through two lenses. Other stories have Lippershey's apprentice coming up with the idea or have Lippershey copying someone else's discovery. Lippershey's original instrument consisted of either two convex lenses with an inverted image or a convex objective
Objective (optics)
In an optical instrument, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be single lenses or mirrors, or combinations of several optical elements. They are used in microscopes, telescopes,...

 and a concave eyepiece
Eyepiece
An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is so named because it is usually the lens that is closest to the eye when someone looks through the device. The objective lens or mirror collects light and brings...

 lens so it would have an upright image. This "Dutch perspective glass" (the name "telescope" would not be coined until three years later by Giovanni Demisiani
Giovanni Demisiani
Giovanni Demisiani , a Greek from Zakynthos, was a theologian, chemist, mathematician to Cardinal Gonzaga, and member of the Accademia dei Lincei...

) only had a three-times magnification
Magnification
Magnification is the process of enlarging something only in appearance, not in physical size. This enlargement is quantified by a calculated number also called "magnification"...

.

Lippershey applied to the States-General of the Netherlands
States-General of the Netherlands
The States-General of the Netherlands is the bicameral legislature of the Netherlands, consisting of the Senate and the House of Representatives. The parliament meets in at the Binnenhof in The Hague. The archaic Dutch word "staten" originally related to the feudal classes in which medieval...

 on October 2, 1608, for a patent
Patent
A patent is a form of intellectual property. It consists of a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time in exchange for the public disclosure of an invention....

 for his instrument "for seeing things far away as if they were nearby", beating another Dutch instrument-maker's patent, Jacob Metius
Jacob Metius
Jacob Metius was a Dutch instrument-maker and a specialist in grinding lenses. He was born in Alkmaar and was the brother of Adriaan Adriaanszoon...

, by a few weeks. Lippershey failed to receive a patent since the same claim for invention had also been made by other spectacle-makers but he was handsomely rewarded by the Dutch government
Government
Government refers to the legislators, administrators, and arbitrators in the administrative bureaucracy who control a state at a given time, and to the system of government by which they are organized...

 for copies of his design
Design
Design as a noun informally refers to a plan or convention for the construction of an object or a system while “to design” refers to making this plan...

.

Lippershey's application for a patent was mentioned at the end of a diplomatic report on an embassy to Holland from the Kingdom of Siam
Ayutthaya kingdom
Ayutthaya was a Siamese kingdom that existed from 1350 to 1767. Ayutthaya was friendly towards foreign traders, including the Chinese, Vietnamese , Indians, Japanese and Persians, and later the Portuguese, Spanish, Dutch and French, permitting them to set up villages outside the walls of the...

 sent by the Siamese king Ekathotsarot
Ekathotsarot
Prabat Somdet Phra Sanpet III or Somdet Phra Ekatotsarot was the King of Ayutthaya from 1605 to 1610 succeeding his brother Naresuan. His reign was mostly peaceful as Siam was then a powerful state through the conquests of Naresuan...

: Ambassades du Roy de Siam envoyé à l'Excellence du Prince Maurice, arrivé à La Haye le 10 Septemb. 1608 (Embassy of the King of Siam sent to his Excellency Prince Maurice, arrived on September 10, 1608). This report was issued in October 1608 and distributed across Europe, leading to experiments by other scientists, such as the Italian Paolo Sarpi
Paolo Sarpi
Fra Paolo Sarpi was a Venetian patriot, scholar, scientist and church reformer. His most important roles were as a canon lawyer and historian active on behalf of the Venetian Republic.- Early years :...

, who received the report in November, the Englishman Thomas Harriot
Thomas Harriot
Thomas Harriot was an English astronomer, mathematician, ethnographer, and translator. Some sources give his surname as Harriott or Hariot or Heriot. He is sometimes credited with the introduction of the potato to Great Britain and Ireland...

, who was using a six-powered telescope by the summer of 1609, and Galileo Galilei
Galileo Galilei
Galileo Galilei , was an Italian physicist, mathematician, astronomer, and philosopher who played a major role in the Scientific Revolution. His achievements include improvements to the telescope and consequent astronomical observations and support for Copernicanism...

, who soon improved the device.

The lunar crater Lippershey
Lippershey (crater)
Lippershey is a relatively tiny lunar impact crater located in the southeast section of the Mare Nubium. It is a circular, cup-shaped feature surrounded by the lunar mare...

 and the minor planet 31338 Lipperhey
31338 Lipperhey
31338 Lipperhey is a main belt asteroid with an orbital period of 2896.1771186 days . It was discovered on April 25, 1998 by Eric W. Elst at the European Southern Observatory in La Silla, Chile....

 are named after him.

External links

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