Jacques Dubois
Encyclopedia
For the Dutch physician, see Franciscus Sylvius
Franciscus Sylvius
Franciscus Sylvius , born Franz de le Boë, was a Dutch physician and scientist who was an early champion of Descartes', Van Helmont's and William Harvey's work and theories...

 (Franciscus de le Boe).

Jacques Dubois (1478 – 14 January 1555), also known as Jacobus Sylvius in Latin
Latin
Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

, was a French
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 anatomist
Anatomy
Anatomy is a branch of biology and medicine that is the consideration of the structure of living things. It is a general term that includes human anatomy, animal anatomy , and plant anatomy...

 in Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

.

Early grammar of French

Dubois was the author of the first grammar of the French language to be published in France. The title of this work was In linguam gallicam isagōge, una cum eiusdem Grammatica latino-gallica, ex hebræis, græcis et latinis authoribus [Introduction to the French language, with a Latin-French grammar of the same, based on Hebrew, Greek and Latin authors], published in Paris in early 1531, less than a year after the very first French grammar, by John Palsgrave
John Palsgrave
John Palsgrave was a priest of Henry VIII of England's court. He is known as a tutor in the royal household, and as a textbook author.-Life:...

, was published in London.

Late career in medicine

In Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

, he studied languages and mathematics; but feeling that the rewards were inadequate, Dubois switched to medicine. At the age of 51 he acquired a medical degree at the University of Montpellier
University of Montpellier
The University of Montpellier was a French university in Montpellier in the Languedoc-Roussillon région of the south of France. Its present-day successor universities are the University of Montpellier 1, Montpellier 2 University and Paul Valéry University, Montpellier III.-History:The university...

, and returned to Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 to teach anatomy in the college of Tréguier
Tréguier
Tréguier is a port town in the Côtes-d'Armor department in Brittany in northwestern France. It is the capital of the province of Trégor.-Geography:Tréguier is located 36 m. N.W. of Saint-Brieuc by road. The port is situated about 5½ m...

. When Vidus Vidius
Vidus Vidius
Vidus Vidius , born Guido Guidi, was an Italian surgeon and anatomist. His father was a physician and his mother was the daughter of the painter Domenico Ghirlandajo....

 departed for Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, he was appointed to succeed him as professor of surgery to the Royal College
Royal College
A Royal College in some Commonwealth countries is technically a college which has received permission to use the prefix Royal. Permission is usually granted through a Royal Charter. The charter normally confers a constitution with perpetual succession and the right to sue or be sued independently...

. He was an admirer of Galen
Galen
Aelius Galenus or Claudius Galenus , better known as Galen of Pergamon , was a prominent Roman physician, surgeon and philosopher...

, and interpreted the anatomical and physiological writings of that author in preference to giving demonstrations from the subject.

Frustrations of his pupils

Vesalius
Vesalius
Andreas Vesalius was a Flemish anatomist, physician, and author of one of the most influential books on human anatomy, De humani corporis fabrica . Vesalius is often referred to as the founder of modern human anatomy. Vesalius is the Latinized form of Andries van Wesel...

, who was his (frustrated) pupil, states that his manner of teaching was calculated neither to advance the science nor to rectify the mistakes of his predecessors. A human body was never seen in Dubois' anatomical theatre. The carcases of dogs and other animals were the materials from which he taught. It was so difficult to obtain human bones, that Vesalius and his fellow-students had to collect them themselves from the Cimetière des Innocents and other cemeteries. Without these, they must have committed numerous errors in acquiring the first principles.

Though Jean Riolan
Jean Riolan the Younger
Jean Riolan was a French anatomist who was an influential member of the Medical Faculty of Paris. His father, Jean Riolan was also a noted French anatomist...

 (1577–1657) contradicted these comments and accused Vesalius of ungratitude, it is certain that the frustrations that Vesalius experienced were the basis for which he later traveled to Padua
Padua
Padua is a city and comune in the Veneto, northern Italy. It is the capital of the province of Padua and the economic and communications hub of the area. Padua's population is 212,500 . The city is sometimes included, with Venice and Treviso, in the Padua-Treviso-Venice Metropolitan Area, having...

 and became a famous anatomist himself. Only in Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 were the opportunities of inspecting the human body frequent enough as to facilitate the study of the science. This period was a time of fierce debate between Galen
Galen
Aelius Galenus or Claudius Galenus , better known as Galen of Pergamon , was a prominent Roman physician, surgeon and philosopher...

ists and the new body of thought on anatomy. The conservative Riolan attacked William Harvey
William Harvey
William Harvey was an English physician who was the first person to describe completely and in detail the systemic circulation and properties of blood being pumped to the body by the heart...

with equal fervour.
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