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Henrion, Denis

1. Dates
Born: France, c. 1580
Died: France, c. 1640 (this is the DBF year; DSB gives c. 1632)
Dateinfo: Both Dates Uncertain
Lifespan: 60
2. Father
Occupation: No Information
No information on financial status.
3. Nationality
Birth: French
Career: French
Death: French
4. Education
Schooling: No University
5. Religion
Affiliation: Calvinist (assumed)
6. Scientific Disciplines
Primary: Mathematics
His scientific activity was devoted mainly to private instruction and the translation into French of Latin mathematical texts. His first work, Mémoires mathematiques (1613), is a course in elementary mathematics for the use of the nobility. He translated Euclid's Elements and Data, and many other classical texts.
7. Means of Support
Primary: Engineering, Schoolmastering
He was an engineer in the army of prince of Orange before settling in Paris in 1607.
According to one source (DBF) he was a professor of mathematics in Paris. NBG says merely that he taught mathematics in Paris and that there were many young nobles in his classes. This sounds more like it; I suspect that DBF was using "professor" in a generic sense. If he had a university appointment, there would be records of it.
8. Patronage
Type: Aristrocrat
He was an engineer in the army of the prince of Orange. While this could be patronage, without more information I choose not to list it.
Those classes in mathematics for young aristocrats reek of patronage.
9. Technological Involvement
Types: Military Engineering, Instruments
He was greatly interested in mathematical instruments and wrote a couple of treatises on such topics.
10. Scientific Societies
Memberships: None
  1. Nouvelle biographie générale, (Paris, 1857-66), 24, 169-70.
  2. Dictionnaire de biographie française, 17, 963-4.
Compiled by:
Richard S. Westfall
Department of History and Philosophy of Science
Indiana University

Note: the creators of the Galileo Project and this catalogue cannot answer email on geneological questions.

©1995 Al Van Helden
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