Frans Gansneb genaamd Tengnagel van de Camp (1576 in Neede – 1 December 1622 in

Vienna Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...

) was a Dutch

nobleman Nobility is a social class found in many societies that have an aristocracy. It is normally appointed by and ranked immediately below royalty. Nobility has often been an estate of the realm with many exclusive functions and characteristics. T ...

. He belonged to the nobel ''Gansneb'' family from

Gelderland Gelderland ( , ), also known as Guelders ( ) in English, is a Provinces of the Netherlands, province of the Netherlands, located in the centre-east of the country. With a total area of of which is water, it is the largest province of the Nethe ...

, later called ("genaamd") Tengnagel. This family had as their residence from 1553 to 1742 an estate called "De Camp" near Neede, explaining the third part of Tengnagel's name. Part of his youth he spent with his maternal grandfather at Bocholt, so that he was sometimes called a

Westphalia Westphalia (; ; ) is a region of northwestern Germany and one of the three historic parts of the state of North Rhine-Westphalia. It has an area of and 7.9 million inhabitants. The territory of the region is almost identical with the h ...

n. He matriculated from the University of Franeker in 1593 and joined the astronomer

Tycho Brahe Tycho Brahe ( ; ; born Tyge Ottesen Brahe, ; 14 December 154624 October 1601), generally called Tycho for short, was a Danish astronomer of the Renaissance, known for his comprehensive and unprecedentedly accurate astronomical observations. He ...

Uraniborg Uraniborg was an astronomical observatory and alchemy laboratory established and operated by the Danish astronomer Tycho Brahe. It was the first custom-built observatory in modern Europe, and the last to be built without a telescope as its pr ...

in February 1595. In 1601 he married Brahe's daughter Lisbeth. Tengnagel wrote a brief prefatory note to

Johannes Kepler Johannes Kepler (27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer, Natural philosophy, natural philosopher and writer on music. He is a key figure in the 17th-century Scientific Revolution, best know ...

's astronomical treatise '' Astronomia Nova''. From 1604 to 1606 he was a corresponding member of the

Accademia dei Lincei The (; literally the "Academy of the Lynx-Eyed"), anglicised as the Lincean Academy, is one of the oldest and most prestigious European scientific institutions, located at the Palazzo Corsini on the Via della Lungara in Rome, Italy. Founded in ...

.http://www.bl.uk/catalogues/ItalianAcademies/PersonFullDisplay.aspx?RecordId=022-000006426&searchAssoc=Assoc accessed 11/7/2017

References

1576 births 1622 deaths 16th-century Dutch astronomers People from Berkelland University of Franeker alumni Members of the Lincean Academy 17th-century Dutch astronomers {{Europe-astronomer-stub