Levinus Hulsius or Levin Hulsius (1546 in Ghent

Ghent

Ghent is a city and a municipality located in the Flemish region of Belgium. It is the capital and biggest city of the East Flanders province. The city started as a settlement at the confluence of the Rivers Scheldt and Lys and in the Middle Ages became one of the largest and richest cities of...

, east-Flanders, Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

; 1606 in Frankfurt am Main) He was a maker and dealer of fine scientific instruments; publisher and printer

Printer (publisher)

In publishing, printers are both companies providing printing services and individuals who directly operate printing presses. With the invention of the moveable type printing press by Johannes Gutenberg around 1450, printing—and printers—proliferated throughout Europe.Today, printers are found...

; linguist and lexicographer; wrote extensively on the construction of geometrical instruments. Although he was born in Flanders

Flanders

Flanders is the community of the Flemings but also one of the institutions in Belgium, and a geographical region located in parts of present-day Belgium, France and the Netherlands. "Flanders" can also refer to the northern part of Belgium that contains Brussels, Bruges, Ghent and Antwerp...

 he lived and worked 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...

 and 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...

.

Source

• Mathematics from the birth of numbers, Jan Gullberg
  Jan Gullberg
  Jan Gullberg, was a Swedish writer on popular Science and Medical topics. He is the author of Mathematics: From the Birth of Numbers, published by W. W. Norton in 1997 . The book was positively reviewed in Scientific American, but more reservedly in New Scientist.-References:...
  
  , W. W. Norton & Company; 1st ed edition (October 1997), 1093 pages ISBN 0-393-04002-X ISBN 978-0-393-04002-9
• Ralf Kern: "Wissenschaftliche Instrumente in Ihrer Zeit". Band 2: "Vom Compendium zum Einzelinstrument". Verlag der Buchhandlung Walther König 2010, ISBN 978-3-86560-866-6