Nicolaus Mulerius was a professor of medicine

Medicine

Medicine is the science and art of healing. It encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness....

 and mathematics

Mathematics

Mathematics is the study of quantity, space, structure, and change. Mathematicians seek out patterns and formulate new conjectures. Mathematicians resolve the truth or falsity of conjectures by mathematical proofs, which are arguments sufficient to convince other mathematicians of their validity...

 at the University of Groningen

University of Groningen

The University of Groningen , located in the city of Groningen, was founded in 1614. It is one of the oldest universities in the Netherlands as well as one of its largest. Since its inception more than 100,000 students have graduated...

.

Mulerius was born Nicolaas des Mulier(s), son of Pierre des Muliers and Claudia Le Vettre. He grew up in Bruges, where he was taught by Cruquius, among others. From 1582 he studied medicine at the University of Leiden, where Lipsius

Justus Lipsius

Justus Lipsius was a Southern-Netherlandish philologist and humanist. Lipsius wrote a series of works designed to revive ancient Stoicism in a form that would be compatible with Christianity. The most famous of these is De Constantia...

, Vulcanius

Bonaventura Vulcanius

Bonaventura Vulcanius was a leading personality in Dutch humanism of the 16th and 17th century....

, Snellius

Rudolph Snellius

Rudolph Snellius Rudolph Snellius Rudolph Snellius (Rudolph Snel van Royen (Oudewater, 5 October 1546 – Leiden, 2 March 1613) was a Dutch linguist and mathematician who held appointments at the University of Marburg and the University of Leiden...

 and Heurnius

Johannes Heurnius

Johannes Heurnius was a Dutch physician and natural philosopher.-Life:He was born at Utrecht, and studied at Leuven and Paris. He went to the University of Padua to study under Hieronymus Fabricius; and graduated M.D...

 were teachers. In 1589 he married Christina Six and set up practice for 13 years in Harlingen

Harlingen, Netherlands

Harlingen is a municipality and a city in the northern Netherlands, in the province of Friesland at the Wadden Sea. Harlingen is an old town with a long history of fishing and shipping....

. In 1603 he became leading physician in Groningen, in 1608 he took the position as school master of the Leeuwarden gymnasium

Gymnasium (school)

A gymnasium is a type of school providing secondary education in some parts of Europe, comparable to English grammar schools or sixth form colleges and U.S. college preparatory high schools. The word γυμνάσιον was used in Ancient Greece, meaning a locality for both physical and intellectual...

. From 1614 he was professor in medicine and mathematics at the Groningen University. From 1619 – 1621 and 1626 – 1630, he was in charge of the library of the University of Groningen. His son, Petrus Mulerius (1599-1647), would become professor at Groningen in physics and botany from 1628.

In 1616, Nicolaus Mulerius published a textbook on astronomy

Astronomy

Astronomy is a natural science that deals with the study of celestial objects and phenomena that originate outside the atmosphere of Earth...

 reminiscent of the Sphere by Johannes de Sacrobosco

Johannes de Sacrobosco

Johannes de Sacrobosco or Sacro Bosco was a scholar, monk, and astronomer who taught at the University of Paris and wrote the authoritative mediaeval astronomy text Tractatus de Sphaera.-Origins:Although described as English, his birthplace is unknown because Sacrobosco is...

.

Also in 1616, he published the third, updated and annotated edition of Nicolaus Copernicus

Nicolaus Copernicus

Nicolaus Copernicus was a Renaissance astronomer and the first person to formulate a comprehensive heliocentric cosmology which displaced the Earth from the center of the universe....

' De revolutionibus orbium coelestium

De revolutionibus orbium coelestium

De revolutionibus orbium coelestium is the seminal work on the heliocentric theory of the Renaissance astronomer Nicolaus Copernicus...

.

An account of the life of Ubbo Emmius

Ubbo Emmius

Ubbo Emmius was a German historian and geographer.-Early life:Ubbo Emmius was born on 5 December 1557 in Greetsiel, East Frisia, Germany. From the ages of 9 to 18 Emmius studied in a Latin school, before having to leave on the death of his father, a Lutheran preacher...

, written by Nicolaus Mulerius, was published, with the lives of other professors of Groningen, at Groningen in 1638.

Works

• Naturae tabulae Frisicae lunae-solares quadruplices, quibus accessere solis ..., 1611
• Institutionum astronomicarum libri duo, 1616
• Iudæorum annus lunæ-solaris: et Turc-Arabum annus merê lunaris,1630
• Naturae tabulae Frisicae lunae-solares quadruplices, quibus accessere solis ..., 1611
• Nicolai Mulerii ... Exercitationes in Apocalypsin s. Johannis apostoli, 1691

Sources

• Lynn Thorndike : History of Magic and Experimental Science. http://books.google.com/books?id=W8SMjWhcTjAC&pg=RA1-PA51&dq=Mulerius&sig=HviuWc5NGdVHxI20RurdLOWHY-I
• Tabitta van Nouhuys: The Age of Two-Faced Janus: The Comets of 1577 and 1618 and the Decline of ... 1998 http://books.google.com/books?id=xO3n6sjUaK4C&pg=PA537&dq=Mulerius&sig=hWv6Jmy3pWafxuED6yaxWzHF190
• Klaas van Berkel, Albert Van Helden, L. C. Palm: A History of Science in the Netherlands: Survey, Themes and Reference http://books.google.com/books?id=1jwjTsRu6AMC&pg=PA35&dq=Mulerius&sig=TUzc8ErC0M2Hc8mNigBFkdoFR7E
• A.J. van der Aa, Biographisch Woordenboek der Nederlanden, 13th edition, 1876 (Dutch)