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
- Sources
- Nouvelle biographie générale, (Paris, 1857-66), 24, 169-70.
- Dictionnaire de biographie française, 17, 963-4.
- Compiled by:
- Richard S. Westfall
- Department of History and Philosophy of Science
- Indiana University
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